diff --git a/index.html b/index.html
index 6f7f2d76a..1483078f9 100644
--- a/index.html
+++ b/index.html
@@ -242,17 +242,5 @@
             <a id="feedbackButton" data-container="body" data-toggle="popover" data-placement="right" data-i18n="[data-content]feedback"><i class="fa fa-heart"></i></a>
         </div>
     </div>
-    <script type="text/javascript">
-      if (!config.disableThirdPartyRequests) {
-        [
-          'analytics.js?v=1'
-        ].forEach(function(extSrc) {
-          var extScript = document.createElement('script');
-          extScript.src = extSrc;
-          extScript.async = false;
-          document.head.appendChild(extScript);
-        });
-      }
-    </script>
   </body>
 </html>
diff --git a/libs/lib-jitsi-meet.js b/libs/lib-jitsi-meet.js
index 4f6bc1a81..3d5459695 100644
--- a/libs/lib-jitsi-meet.js
+++ b/libs/lib-jitsi-meet.js
@@ -1001,7 +1001,7 @@ function setupListeners(conference) {
 module.exports = JitsiConference;
 
 }).call(this,"/JitsiConference.js")
-},{"./JitsiConferenceErrors":2,"./JitsiConferenceEvents":3,"./JitsiParticipant":8,"./JitsiTrackEvents":10,"./modules/DTMF/JitsiDTMFManager":11,"./modules/RTC/RTC":16,"./modules/settings/Settings":21,"./modules/statistics/statistics":25,"./service/RTC/RTCEvents":132,"./service/authentication/AuthenticationEvents":134,"./service/xmpp/XMPPEvents":138,"events":45,"jitsi-meet-logger":49}],2:[function(require,module,exports){
+},{"./JitsiConferenceErrors":2,"./JitsiConferenceEvents":3,"./JitsiParticipant":8,"./JitsiTrackEvents":10,"./modules/DTMF/JitsiDTMFManager":11,"./modules/RTC/RTC":16,"./modules/settings/Settings":21,"./modules/statistics/statistics":25,"./service/RTC/RTCEvents":131,"./service/authentication/AuthenticationEvents":133,"./service/xmpp/XMPPEvents":137,"events":51,"jitsi-meet-logger":79}],2:[function(require,module,exports){
 /**
  * Enumeration with the errors for the conference.
  * @type {{string: string}}
@@ -1230,7 +1230,7 @@ JitsiConnection.prototype.removeEventListener = function (event, listener) {
 
 module.exports = JitsiConnection;
 
-},{"./JitsiConference":1,"./modules/xmpp/xmpp":43}],5:[function(require,module,exports){
+},{"./JitsiConference":1,"./modules/xmpp/xmpp":44}],5:[function(require,module,exports){
 /**
  * Enumeration with the errors for the connection.
  * @type {{string: string}}
@@ -1292,6 +1292,7 @@ var Logger = require("jitsi-meet-logger");
 var RTC = require("./modules/RTC/RTC");
 var Statistics = require("./modules/statistics/statistics");
 var Resolutions = require("./service/RTC/Resolutions");
+var ScriptUtil = require("./modules/util/ScriptUtil");
 
 function getLowerResolution(resolution) {
     if(!Resolutions[resolution])
@@ -1411,7 +1412,15 @@ var LibJitsiMeet = {
     },
     enumerateDevices: function (callback) {
         RTC.enumerateDevices(callback);
-    }
+    },
+
+    /**
+     * Represents a hub/namespace for utility functionality which may be of
+     * interest to LibJitsiMeet clients.
+     */
+    util: {
+        ScriptUtil: ScriptUtil,
+    },
 };
 
 //Setups the promise object.
@@ -1419,7 +1428,7 @@ window.Promise = window.Promise || require("es6-promise").Promise;
 
 module.exports = LibJitsiMeet;
 
-},{"./JitsiConferenceErrors":2,"./JitsiConferenceEvents":3,"./JitsiConnection":4,"./JitsiConnectionErrors":5,"./JitsiConnectionEvents":6,"./JitsiTrackErrors":9,"./JitsiTrackEvents":10,"./modules/RTC/RTC":16,"./modules/statistics/statistics":25,"./service/RTC/Resolutions":133,"es6-promise":47,"jitsi-meet-logger":49}],8:[function(require,module,exports){
+},{"./JitsiConferenceErrors":2,"./JitsiConferenceEvents":3,"./JitsiConnection":4,"./JitsiConnectionErrors":5,"./JitsiConnectionEvents":6,"./JitsiTrackErrors":9,"./JitsiTrackEvents":10,"./modules/RTC/RTC":16,"./modules/statistics/statistics":25,"./modules/util/ScriptUtil":27,"./service/RTC/Resolutions":132,"es6-promise":72,"jitsi-meet-logger":79}],8:[function(require,module,exports){
 /* global Strophe */
 
 /**
@@ -1643,7 +1652,7 @@ JitsiDTMFManager.prototype.sendTones = function (tones, duration, pause) {
 };
 
 }).call(this,"/modules/DTMF/JitsiDTMFManager.js")
-},{"jitsi-meet-logger":49}],12:[function(require,module,exports){
+},{"jitsi-meet-logger":79}],12:[function(require,module,exports){
 (function (__filename){
 /* global config, APP, Strophe */
 
@@ -1867,7 +1876,7 @@ module.exports = DataChannels;
 
 
 }).call(this,"/modules/RTC/DataChannels.js")
-},{"../../service/RTC/RTCEvents":132,"jitsi-meet-logger":49}],13:[function(require,module,exports){
+},{"../../service/RTC/RTCEvents":131,"jitsi-meet-logger":79}],13:[function(require,module,exports){
 var JitsiTrack = require("./JitsiTrack");
 var RTCBrowserType = require("./RTCBrowserType");
 var JitsiTrackEvents = require('../../JitsiTrackEvents');
@@ -1878,11 +1887,12 @@ var RTCUtils = require("./RTCUtils");
  * @constructor
  */
 function JitsiLocalTrack(stream, videoType,
-  resolution)
+  resolution, deviceId)
 {
     this.videoType = videoType;
     this.dontFireRemoveEvent = false;
     this.resolution = resolution;
+    this.deviceId = deviceId;
     this.startMuted = false;
     var self = this;
     JitsiTrack.call(this, null, stream,
@@ -1941,9 +1951,16 @@ JitsiLocalTrack.prototype._setMute = function (mute) {
             //FIXME: Maybe here we should set the SRC for the containers to something
         } else {
             var self = this;
-            RTCUtils.obtainAudioAndVideoPermissions({
+            var streamOptions = {
                 devices: (isAudio ? ["audio"] : ["video"]),
-                resolution: self.resolution})
+                resolution: self.resolution
+            };
+            if (isAudio) {
+              streamOptions['micDeviceId'] = self.deviceId;
+            } else {self.videoType === 'camera'} {
+              streamOptions['cameraDeviceId'] = self.deviceId;
+            }
+            RTCUtils.obtainAudioAndVideoPermissions(streamOptions)
                 .then(function (streams) {
                     var stream = null;
                     for(var i = 0; i < streams.length; i++) {
@@ -2384,7 +2401,7 @@ JitsiTrack.prototype.setAudioLevel = function (audioLevel) {
 
 module.exports = JitsiTrack;
 
-},{"../../JitsiTrackEvents":10,"./RTCBrowserType":17,"./RTCUtils":18,"events":45}],16:[function(require,module,exports){
+},{"../../JitsiTrackEvents":10,"./RTCBrowserType":17,"./RTCUtils":18,"events":51}],16:[function(require,module,exports){
 /* global APP */
 var EventEmitter = require("events");
 var RTCBrowserType = require("./RTCBrowserType");
@@ -2398,11 +2415,17 @@ var DesktopSharingEventTypes
 var MediaStreamType = require("../../service/RTC/MediaStreamTypes");
 var RTCEvents = require("../../service/RTC/RTCEvents.js");
 
-function createLocalTracks(streams) {
+function createLocalTracks(streams, options) {
     var newStreams = []
+    var deviceId = null;
     for (var i = 0; i < streams.length; i++) {
+        if (streams[i].type === 'audio') {
+          deviceId = options.micDeviceId;
+        } else if (streams[i].videoType === 'camera'){
+          deviceId = options.cameraDeviceId;
+        }
         var localStream = new JitsiLocalTrack(streams[i].stream,
-            streams[i].videoType, streams[i].resolution);
+            streams[i].videoType, streams[i].resolution, deviceId);
         newStreams.push(localStream);
         if (streams[i].isMuted === true)
             localStream.setMute(true);
@@ -2460,8 +2483,11 @@ function RTC(room, options) {
  * @param {string} options.micDeviceId
  * @returns {*} Promise object that will receive the new JitsiTracks
  */
+
 RTC.obtainAudioAndVideoPermissions = function (options) {
-    return RTCUtils.obtainAudioAndVideoPermissions(options).then(createLocalTracks);
+    return RTCUtils.obtainAudioAndVideoPermissions(options).then(function (streams) {
+        return createLocalTracks(streams, options);
+    });
 }
 
 RTC.prototype.onIncommingCall = function(event) {
@@ -2644,7 +2670,7 @@ RTC.prototype.setAudioLevel = function (jid, audioLevel) {
 }
 module.exports = RTC;
 
-},{"../../service/RTC/MediaStreamTypes":131,"../../service/RTC/RTCEvents.js":132,"../../service/desktopsharing/DesktopSharingEventTypes":135,"./DataChannels":12,"./JitsiLocalTrack.js":13,"./JitsiRemoteTrack.js":14,"./JitsiTrack":15,"./RTCBrowserType":17,"./RTCUtils.js":18,"events":45}],17:[function(require,module,exports){
+},{"../../service/RTC/MediaStreamTypes":130,"../../service/RTC/RTCEvents.js":131,"../../service/desktopsharing/DesktopSharingEventTypes":134,"./DataChannels":12,"./JitsiLocalTrack.js":13,"./JitsiRemoteTrack.js":14,"./JitsiTrack":15,"./RTCBrowserType":17,"./RTCUtils.js":18,"events":51}],17:[function(require,module,exports){
 
 var currentBrowser;
 
@@ -3637,7 +3663,7 @@ var RTCUtils = {
 module.exports = RTCUtils;
 
 }).call(this,"/modules/RTC/RTCUtils.js")
-},{"../../JitsiTrackErrors":9,"../../service/RTC/RTCEvents":132,"../../service/RTC/Resolutions":133,"../xmpp/SDPUtil":33,"./RTCBrowserType":17,"./ScreenObtainer":19,"./adapter.screenshare":20,"events":45,"jitsi-meet-logger":49}],19:[function(require,module,exports){
+},{"../../JitsiTrackErrors":9,"../../service/RTC/RTCEvents":131,"../../service/RTC/Resolutions":132,"../xmpp/SDPUtil":34,"./RTCBrowserType":17,"./ScreenObtainer":19,"./adapter.screenshare":20,"events":51,"jitsi-meet-logger":79}],19:[function(require,module,exports){
 (function (__filename){
 /* global chrome, $, alert */
 /* jshint -W003 */
@@ -4053,7 +4079,7 @@ function initFirefoxExtensionDetection(options) {
 module.exports = ScreenObtainer;
 
 }).call(this,"/modules/RTC/ScreenObtainer.js")
-},{"../../JitsiTrackErrors":9,"../../service/desktopsharing/DesktopSharingEventTypes":135,"./RTCBrowserType":17,"./adapter.screenshare":20,"jitsi-meet-logger":49}],20:[function(require,module,exports){
+},{"../../JitsiTrackErrors":9,"../../service/desktopsharing/DesktopSharingEventTypes":134,"./RTCBrowserType":17,"./adapter.screenshare":20,"jitsi-meet-logger":79}],20:[function(require,module,exports){
 (function (__filename){
 /*! adapterjs - v0.12.3 - 2015-11-16 */
 var console = require("jitsi-meet-logger").getLogger(__filename);
@@ -5237,7 +5263,7 @@ if (navigator.mozGetUserMedia) {
 }
 
 }).call(this,"/modules/RTC/adapter.screenshare.js")
-},{"jitsi-meet-logger":49}],21:[function(require,module,exports){
+},{"jitsi-meet-logger":79}],21:[function(require,module,exports){
 (function (__filename){
 var logger = require("jitsi-meet-logger").getLogger(__filename);
 
@@ -5326,7 +5352,7 @@ Settings.prototype.getCallStatsUserName = function () {
 module.exports = Settings;
 
 }).call(this,"/modules/settings/Settings.js")
-},{"../util/UsernameGenerator":27,"jitsi-meet-logger":49}],22:[function(require,module,exports){
+},{"../util/UsernameGenerator":28,"jitsi-meet-logger":79}],22:[function(require,module,exports){
 (function (__filename){
 /* global $, Strophe, callstats */
 var logger = require("jitsi-meet-logger").getLogger(__filename);
@@ -5587,7 +5613,7 @@ CallStats.sendAddIceCandidateFailed = _try_catch(function (e, pc, cs) {
 module.exports = CallStats;
 
 }).call(this,"/modules/statistics/CallStats.js")
-},{"jitsi-meet-logger":49,"jssha":50,"socket.io-client":81}],23:[function(require,module,exports){
+},{"jitsi-meet-logger":79,"jssha":81,"socket.io-client":118}],23:[function(require,module,exports){
 /* global config */
 /**
  * Provides statistics for the local stream.
@@ -6444,13 +6470,14 @@ StatsCollector.prototype.processAudioLevelReport = function () {
 };
 
 }).call(this,"/modules/statistics/RTPStatsCollector.js")
-},{"../../service/statistics/Events":136,"../RTC/RTCBrowserType":17,"jitsi-meet-logger":49}],25:[function(require,module,exports){
+},{"../../service/statistics/Events":135,"../RTC/RTCBrowserType":17,"jitsi-meet-logger":79}],25:[function(require,module,exports){
 /* global require, APP */
 var LocalStats = require("./LocalStatsCollector.js");
 var RTPStats = require("./RTPStatsCollector.js");
 var EventEmitter = require("events");
 var StatisticsEvents = require("../../service/statistics/Events");
 var CallStats = require("./CallStats");
+var ScriptUtil = require('../util/ScriptUtil');
 
 // Since callstats.io is a third party, we cannot guarantee the quality of
 // their service. More specifically, their server may take noticeably long
@@ -6460,15 +6487,10 @@ var CallStats = require("./CallStats");
 // start downloading their API as soon as possible and (2) do the
 // downloading asynchronously.
 function loadCallStatsAPI() {
-    (function (d, src) {
-        var elementName = 'script';
-        var newScript = d.createElement(elementName);
-        var referenceNode = d.getElementsByTagName(elementName)[0];
-
-        newScript.async = true;
-        newScript.src = src;
-        referenceNode.parentNode.insertBefore(newScript, referenceNode);
-    })(document, 'https://api.callstats.io/static/callstats.min.js');
+    ScriptUtil.loadScript(
+            'https://api.callstats.io/static/callstats.min.js',
+            /* async */ true,
+            /* prepend */ true);
     // FIXME At the time of this writing, we hope that the callstats.io API will
     // have loaded by the time we needed it (i.e. CallStats.init is invoked).
 }
@@ -6728,7 +6750,7 @@ Statistics.LOCAL_JID = require("../../service/statistics/constants").LOCAL_JID;
 
 module.exports = Statistics;
 
-},{"../../service/statistics/Events":136,"../../service/statistics/constants":137,"./CallStats":22,"./LocalStatsCollector.js":23,"./RTPStatsCollector.js":24,"events":45}],26:[function(require,module,exports){
+},{"../../service/statistics/Events":135,"../../service/statistics/constants":136,"../util/ScriptUtil":27,"./CallStats":22,"./LocalStatsCollector.js":23,"./RTPStatsCollector.js":24,"events":51}],26:[function(require,module,exports){
 /**
 /**
  * @const
@@ -6805,6 +6827,40 @@ var RandomUtil = {
 module.exports = RandomUtil;
 
 },{}],27:[function(require,module,exports){
+/**
+ * Implements utility functions which facilitate the dealing with scripts such
+ * as the download and execution of a JavaScript file.
+ */
+var ScriptUtil = {
+    /**
+     * Loads a script from a specific source.
+     *
+     * @param src the source from the which the script is to be (down)loaded
+     * @param async true to asynchronously load the script or false to
+     * synchronously load the script
+     * @param prepend true to schedule the loading of the script as soon as
+     * possible or false to schedule the loading of the script at the end of the
+     * scripts known at the time
+     */
+    loadScript: function (src, async, prepend) {
+        var d = document;
+        var tagName = 'script';
+        var script = d.createElement(tagName);
+        var referenceNode = d.getElementsByTagName(tagName)[0];
+
+        script.async = async;
+        script.src = src;
+        if (prepend) {
+            referenceNode.parentNode.insertBefore(script, referenceNode);
+        } else {
+            referenceNode.parentNode.appendChild(script);
+        }
+    },
+};
+
+module.exports = ScriptUtil;
+
+},{}],28:[function(require,module,exports){
 var RandomUtil = require('./RandomUtil');
 
 /**
@@ -7235,7 +7291,7 @@ module.exports = {
   generateUsername: generateUsername
 };
 
-},{"./RandomUtil":26}],28:[function(require,module,exports){
+},{"./RandomUtil":26}],29:[function(require,module,exports){
 (function (__filename){
 /* global Strophe, $, $pres, $iq, $msg */
 /* jshint -W101,-W069 */
@@ -7392,7 +7448,21 @@ ChatRoom.prototype.doLeave = function () {
     logger.log("do leave", this.myroomjid);
     var pres = $pres({to: this.myroomjid, type: 'unavailable' });
     this.presMap.length = 0;
+
+    // XXX Strophe is asynchronously sending by default. Unfortunately, that
+    // means that there may not be enough time to send the unavailable presence.
+    // Switching Strophe to synchronous sending is not much of an option because
+    // it may lead to a noticeable delay in navigating away from the current
+    // location. As a compromise, we will try to increase the chances of sending
+    // the unavailable presence within the short time span that we have upon
+    // unloading by invoking flush() on the connection. We flush() once before
+    // sending/queuing the unavailable presence in order to attemtp to have the
+    // unavailable presence at the top of the send queue. We flush() once more
+    // after sending/queuing the unavailable presence in order to attempt to
+    // have it sent as soon as possible.
+    this.connection.flush();
     this.connection.send(pres);
+    this.connection.flush();
 };
 
 
@@ -8048,7 +8118,7 @@ ChatRoom.prototype.onMute = function (iq) {
 module.exports = ChatRoom;
 
 }).call(this,"/modules/xmpp/ChatRoom.js")
-},{"../../service/xmpp/XMPPEvents":138,"./moderator":35,"./recording":36,"events":45,"jitsi-meet-logger":49}],29:[function(require,module,exports){
+},{"../../service/xmpp/XMPPEvents":137,"./moderator":36,"./recording":37,"events":51,"jitsi-meet-logger":79}],30:[function(require,module,exports){
 (function (__filename){
 /*
  * JingleSession provides an API to manage a single Jingle session. We will
@@ -8184,7 +8254,7 @@ JingleSession.prototype.setAnswer = function(jingle) {};
 module.exports = JingleSession;
 
 }).call(this,"/modules/xmpp/JingleSession.js")
-},{"jitsi-meet-logger":49}],30:[function(require,module,exports){
+},{"jitsi-meet-logger":79}],31:[function(require,module,exports){
 (function (__filename){
 /* jshint -W117 */
 
@@ -9847,7 +9917,7 @@ JingleSessionPC.prototype.getIceConnectionState = function () {
 module.exports = JingleSessionPC;
 
 }).call(this,"/modules/xmpp/JingleSessionPC.js")
-},{"../../service/xmpp/XMPPEvents":138,"../RTC/RTC":16,"../RTC/RTCBrowserType":17,"./JingleSession":29,"./SDP":31,"./SDPDiffer":32,"./SDPUtil":33,"./TraceablePeerConnection":34,"async":44,"jitsi-meet-logger":49,"sdp-transform":78}],31:[function(require,module,exports){
+},{"../../service/xmpp/XMPPEvents":137,"../RTC/RTC":16,"../RTC/RTCBrowserType":17,"./JingleSession":30,"./SDP":32,"./SDPDiffer":33,"./SDPUtil":34,"./TraceablePeerConnection":35,"async":47,"jitsi-meet-logger":79,"sdp-transform":115}],32:[function(require,module,exports){
 (function (__filename){
 /* jshint -W117 */
 
@@ -10498,7 +10568,7 @@ SDP.prototype.jingle2media = function (content) {
 module.exports = SDP;
 
 }).call(this,"/modules/xmpp/SDP.js")
-},{"./SDPUtil":33,"jitsi-meet-logger":49}],32:[function(require,module,exports){
+},{"./SDPUtil":34,"jitsi-meet-logger":79}],33:[function(require,module,exports){
 var SDPUtil = require("./SDPUtil");
 
 function SDPDiffer(mySDP, otherSDP)
@@ -10667,7 +10737,7 @@ SDPDiffer.prototype.toJingle = function(modify) {
 };
 
 module.exports = SDPDiffer;
-},{"./SDPUtil":33}],33:[function(require,module,exports){
+},{"./SDPUtil":34}],34:[function(require,module,exports){
 (function (__filename){
 var logger = require("jitsi-meet-logger").getLogger(__filename);
 var RTCBrowserType = require("../RTC/RTCBrowserType");
@@ -11035,7 +11105,7 @@ SDPUtil = {
 module.exports = SDPUtil;
 
 }).call(this,"/modules/xmpp/SDPUtil.js")
-},{"../RTC/RTCBrowserType":17,"jitsi-meet-logger":49}],34:[function(require,module,exports){
+},{"../RTC/RTCBrowserType":17,"jitsi-meet-logger":79}],35:[function(require,module,exports){
 (function (__filename){
 /* global $ */
 var RTC = require('../RTC/RTC');
@@ -11542,7 +11612,7 @@ TraceablePeerConnection.prototype.getStats = function(callback, errback) {
 module.exports = TraceablePeerConnection;
 
 }).call(this,"/modules/xmpp/TraceablePeerConnection.js")
-},{"../../service/xmpp/XMPPEvents":138,"../RTC/RTC":16,"../RTC/RTCBrowserType.js":17,"../util/RandomUtil":26,"jitsi-meet-logger":49,"sdp-interop":68,"sdp-simulcast":75,"sdp-transform":78}],35:[function(require,module,exports){
+},{"../../service/xmpp/XMPPEvents":137,"../RTC/RTC":16,"../RTC/RTCBrowserType.js":17,"../util/RandomUtil":26,"jitsi-meet-logger":79,"sdp-interop":105,"sdp-simulcast":112,"sdp-transform":115}],36:[function(require,module,exports){
 (function (__filename){
 /* global $, $iq, Promise, Strophe */
 
@@ -11998,7 +12068,7 @@ Moderator.prototype.logout =  function (callback) {
 module.exports = Moderator;
 
 }).call(this,"/modules/xmpp/moderator.js")
-},{"../../service/authentication/AuthenticationEvents":134,"../../service/xmpp/XMPPEvents":138,"jitsi-meet-logger":49}],36:[function(require,module,exports){
+},{"../../service/authentication/AuthenticationEvents":133,"../../service/xmpp/XMPPEvents":137,"jitsi-meet-logger":79}],37:[function(require,module,exports){
 (function (__filename){
 /* global $, $iq, config, connection, focusMucJid, messageHandler,
    Toolbar, Util, Promise */
@@ -12225,7 +12295,7 @@ Recording.prototype.getURL = function () {
 module.exports = Recording;
 
 }).call(this,"/modules/xmpp/recording.js")
-},{"../../service/xmpp/XMPPEvents":138,"jitsi-meet-logger":49}],37:[function(require,module,exports){
+},{"../../service/xmpp/XMPPEvents":137,"jitsi-meet-logger":79}],38:[function(require,module,exports){
 (function (__filename){
 /* jshint -W117 */
 /* a simple MUC connection plugin
@@ -12338,7 +12408,7 @@ module.exports = function(XMPP) {
 };
 
 }).call(this,"/modules/xmpp/strophe.emuc.js")
-},{"./ChatRoom":28,"jitsi-meet-logger":49}],38:[function(require,module,exports){
+},{"./ChatRoom":29,"jitsi-meet-logger":79}],39:[function(require,module,exports){
 (function (__filename){
 /* jshint -W117 */
 
@@ -12635,7 +12705,7 @@ module.exports = function(XMPP, eventEmitter) {
 
 
 }).call(this,"/modules/xmpp/strophe.jingle.js")
-},{"../../service/xmpp/XMPPEvents":138,"../RTC/RTCBrowserType":17,"./JingleSessionPC":30,"jitsi-meet-logger":49}],39:[function(require,module,exports){
+},{"../../service/xmpp/XMPPEvents":137,"../RTC/RTCBrowserType":17,"./JingleSessionPC":31,"jitsi-meet-logger":79}],40:[function(require,module,exports){
 /* global Strophe */
 module.exports = function () {
 
@@ -12656,7 +12726,7 @@ module.exports = function () {
         }
     });
 };
-},{}],40:[function(require,module,exports){
+},{}],41:[function(require,module,exports){
 (function (__filename){
 /* global $, $iq, Strophe */
 
@@ -12783,7 +12853,7 @@ module.exports = function (XMPP, eventEmitter) {
 };
 
 }).call(this,"/modules/xmpp/strophe.ping.js")
-},{"../../service/xmpp/XMPPEvents":138,"jitsi-meet-logger":49}],41:[function(require,module,exports){
+},{"../../service/xmpp/XMPPEvents":137,"jitsi-meet-logger":79}],42:[function(require,module,exports){
 (function (__filename){
 /* jshint -W117 */
 var logger = require("jitsi-meet-logger").getLogger(__filename);
@@ -12900,7 +12970,7 @@ module.exports = function() {
 };
 
 }).call(this,"/modules/xmpp/strophe.rayo.js")
-},{"jitsi-meet-logger":49}],42:[function(require,module,exports){
+},{"jitsi-meet-logger":79}],43:[function(require,module,exports){
 (function (__filename){
 /* global Strophe */
 /**
@@ -12949,7 +13019,7 @@ module.exports = function () {
 };
 
 }).call(this,"/modules/xmpp/strophe.util.js")
-},{"jitsi-meet-logger":49}],43:[function(require,module,exports){
+},{"jitsi-meet-logger":79}],44:[function(require,module,exports){
 (function (__filename){
 /* global $, APP, config, Strophe*/
 
@@ -13247,21 +13317,96 @@ XMPP.prototype.getSessions = function () {
 };
 
 XMPP.prototype.disconnect = function () {
-    if (this.disconnectInProgress || !this.connection || !this.connection.connected)
-    {
+    if (this.disconnectInProgress
+            || !this.connection
+            || !this.connection.connected) {
         this.eventEmitter.emit(JitsiConnectionEvents.WRONG_STATE);
         return;
     }
 
     this.disconnectInProgress = true;
 
+    // XXX Strophe is asynchronously sending by default. Unfortunately, that
+    // means that there may not be enough time to send an unavailable presence
+    // or disconnect at all. Switching Strophe to synchronous sending is not
+    // much of an option because it may lead to a noticeable delay in navigating
+    // away from the current location. As a compromise, we will try to increase
+    // the chances of sending an unavailable presence and/or disconecting within
+    // the short time span that we have upon unloading by invoking flush() on
+    // the connection. We flush() once before disconnect() in order to attemtp
+    // to have its unavailable presence at the top of the send queue. We flush()
+    // once more after disconnect() in order to attempt to have its unavailable
+    // presence sent as soon as possible.
+    this.connection.flush();
     this.connection.disconnect();
+    this.connection.flush();
 };
 
 module.exports = XMPP;
 
 }).call(this,"/modules/xmpp/xmpp.js")
-},{"../../JitsiConnectionErrors":5,"../../JitsiConnectionEvents":6,"../../service/RTC/RTCEvents":132,"../../service/xmpp/XMPPEvents":138,"../RTC/RTC":16,"./strophe.emuc":37,"./strophe.jingle":38,"./strophe.logger":39,"./strophe.ping":40,"./strophe.rayo":41,"./strophe.util":42,"events":45,"jitsi-meet-logger":49,"pako":51}],44:[function(require,module,exports){
+},{"../../JitsiConnectionErrors":5,"../../JitsiConnectionEvents":6,"../../service/RTC/RTCEvents":131,"../../service/xmpp/XMPPEvents":137,"../RTC/RTC":16,"./strophe.emuc":38,"./strophe.jingle":39,"./strophe.logger":40,"./strophe.ping":41,"./strophe.rayo":42,"./strophe.util":43,"events":51,"jitsi-meet-logger":79,"pako":84}],45:[function(require,module,exports){
+module.exports = after
+
+function after(count, callback, err_cb) {
+    var bail = false
+    err_cb = err_cb || noop
+    proxy.count = count
+
+    return (count === 0) ? callback() : proxy
+
+    function proxy(err, result) {
+        if (proxy.count <= 0) {
+            throw new Error('after called too many times')
+        }
+        --proxy.count
+
+        // after first error, rest are passed to err_cb
+        if (err) {
+            bail = true
+            callback(err)
+            // future error callbacks will go to error handler
+            callback = err_cb
+        } else if (proxy.count === 0 && !bail) {
+            callback(null, result)
+        }
+    }
+}
+
+function noop() {}
+
+},{}],46:[function(require,module,exports){
+/**
+ * An abstraction for slicing an arraybuffer even when
+ * ArrayBuffer.prototype.slice is not supported
+ *
+ * @api public
+ */
+
+module.exports = function(arraybuffer, start, end) {
+  var bytes = arraybuffer.byteLength;
+  start = start || 0;
+  end = end || bytes;
+
+  if (arraybuffer.slice) { return arraybuffer.slice(start, end); }
+
+  if (start < 0) { start += bytes; }
+  if (end < 0) { end += bytes; }
+  if (end > bytes) { end = bytes; }
+
+  if (start >= bytes || start >= end || bytes === 0) {
+    return new ArrayBuffer(0);
+  }
+
+  var abv = new Uint8Array(arraybuffer);
+  var result = new Uint8Array(end - start);
+  for (var i = start, ii = 0; i < end; i++, ii++) {
+    result[ii] = abv[i];
+  }
+  return result.buffer;
+};
+
+},{}],47:[function(require,module,exports){
 (function (process){
 /*!
  * async
@@ -14388,7 +14533,208 @@ module.exports = XMPP;
 }());
 
 }).call(this,require('_process'))
-},{"_process":46}],45:[function(require,module,exports){
+},{"_process":103}],48:[function(require,module,exports){
+
+/**
+ * Expose `Backoff`.
+ */
+
+module.exports = Backoff;
+
+/**
+ * Initialize backoff timer with `opts`.
+ *
+ * - `min` initial timeout in milliseconds [100]
+ * - `max` max timeout [10000]
+ * - `jitter` [0]
+ * - `factor` [2]
+ *
+ * @param {Object} opts
+ * @api public
+ */
+
+function Backoff(opts) {
+  opts = opts || {};
+  this.ms = opts.min || 100;
+  this.max = opts.max || 10000;
+  this.factor = opts.factor || 2;
+  this.jitter = opts.jitter > 0 && opts.jitter <= 1 ? opts.jitter : 0;
+  this.attempts = 0;
+}
+
+/**
+ * Return the backoff duration.
+ *
+ * @return {Number}
+ * @api public
+ */
+
+Backoff.prototype.duration = function(){
+  var ms = this.ms * Math.pow(this.factor, this.attempts++);
+  if (this.jitter) {
+    var rand =  Math.random();
+    var deviation = Math.floor(rand * this.jitter * ms);
+    ms = (Math.floor(rand * 10) & 1) == 0  ? ms - deviation : ms + deviation;
+  }
+  return Math.min(ms, this.max) | 0;
+};
+
+/**
+ * Reset the number of attempts.
+ *
+ * @api public
+ */
+
+Backoff.prototype.reset = function(){
+  this.attempts = 0;
+};
+
+/**
+ * Set the minimum duration
+ *
+ * @api public
+ */
+
+Backoff.prototype.setMin = function(min){
+  this.ms = min;
+};
+
+/**
+ * Set the maximum duration
+ *
+ * @api public
+ */
+
+Backoff.prototype.setMax = function(max){
+  this.max = max;
+};
+
+/**
+ * Set the jitter
+ *
+ * @api public
+ */
+
+Backoff.prototype.setJitter = function(jitter){
+  this.jitter = jitter;
+};
+
+
+},{}],49:[function(require,module,exports){
+/*
+ * base64-arraybuffer
+ * https://github.com/niklasvh/base64-arraybuffer
+ *
+ * Copyright (c) 2012 Niklas von Hertzen
+ * Licensed under the MIT license.
+ */
+(function(chars){
+  "use strict";
+
+  exports.encode = function(arraybuffer) {
+    var bytes = new Uint8Array(arraybuffer),
+    i, len = bytes.length, base64 = "";
+
+    for (i = 0; i < len; i+=3) {
+      base64 += chars[bytes[i] >> 2];
+      base64 += chars[((bytes[i] & 3) << 4) | (bytes[i + 1] >> 4)];
+      base64 += chars[((bytes[i + 1] & 15) << 2) | (bytes[i + 2] >> 6)];
+      base64 += chars[bytes[i + 2] & 63];
+    }
+
+    if ((len % 3) === 2) {
+      base64 = base64.substring(0, base64.length - 1) + "=";
+    } else if (len % 3 === 1) {
+      base64 = base64.substring(0, base64.length - 2) + "==";
+    }
+
+    return base64;
+  };
+
+  exports.decode =  function(base64) {
+    var bufferLength = base64.length * 0.75,
+    len = base64.length, i, p = 0,
+    encoded1, encoded2, encoded3, encoded4;
+
+    if (base64[base64.length - 1] === "=") {
+      bufferLength--;
+      if (base64[base64.length - 2] === "=") {
+        bufferLength--;
+      }
+    }
+
+    var arraybuffer = new ArrayBuffer(bufferLength),
+    bytes = new Uint8Array(arraybuffer);
+
+    for (i = 0; i < len; i+=4) {
+      encoded1 = chars.indexOf(base64[i]);
+      encoded2 = chars.indexOf(base64[i+1]);
+      encoded3 = chars.indexOf(base64[i+2]);
+      encoded4 = chars.indexOf(base64[i+3]);
+
+      bytes[p++] = (encoded1 << 2) | (encoded2 >> 4);
+      bytes[p++] = ((encoded2 & 15) << 4) | (encoded3 >> 2);
+      bytes[p++] = ((encoded3 & 3) << 6) | (encoded4 & 63);
+    }
+
+    return arraybuffer;
+  };
+})("ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/");
+
+},{}],50:[function(require,module,exports){
+(function (global){
+/**
+ * Create a blob builder even when vendor prefixes exist
+ */
+
+var BlobBuilder = global.BlobBuilder
+  || global.WebKitBlobBuilder
+  || global.MSBlobBuilder
+  || global.MozBlobBuilder;
+
+/**
+ * Check if Blob constructor is supported
+ */
+
+var blobSupported = (function() {
+  try {
+    var b = new Blob(['hi']);
+    return b.size == 2;
+  } catch(e) {
+    return false;
+  }
+})();
+
+/**
+ * Check if BlobBuilder is supported
+ */
+
+var blobBuilderSupported = BlobBuilder
+  && BlobBuilder.prototype.append
+  && BlobBuilder.prototype.getBlob;
+
+function BlobBuilderConstructor(ary, options) {
+  options = options || {};
+
+  var bb = new BlobBuilder();
+  for (var i = 0; i < ary.length; i++) {
+    bb.append(ary[i]);
+  }
+  return (options.type) ? bb.getBlob(options.type) : bb.getBlob();
+};
+
+module.exports = (function() {
+  if (blobSupported) {
+    return global.Blob;
+  } else if (blobBuilderSupported) {
+    return BlobBuilderConstructor;
+  } else {
+    return undefined;
+  }
+})();
+
+}).call(this,typeof global !== "undefined" ? global : typeof self !== "undefined" ? self : typeof window !== "undefined" ? window : {})
+},{}],51:[function(require,module,exports){
 // Copyright Joyent, Inc. and other Node contributors.
 //
 // Permission is hereby granted, free of charge, to any person obtaining a
@@ -14691,100 +15037,3508 @@ function isUndefined(arg) {
   return arg === void 0;
 }
 
-},{}],46:[function(require,module,exports){
-// shim for using process in browser
+},{}],52:[function(require,module,exports){
+/**
+ * Slice reference.
+ */
 
-var process = module.exports = {};
-var queue = [];
-var draining = false;
-var currentQueue;
-var queueIndex = -1;
+var slice = [].slice;
 
-function cleanUpNextTick() {
-    draining = false;
-    if (currentQueue.length) {
-        queue = currentQueue.concat(queue);
+/**
+ * Bind `obj` to `fn`.
+ *
+ * @param {Object} obj
+ * @param {Function|String} fn or string
+ * @return {Function}
+ * @api public
+ */
+
+module.exports = function(obj, fn){
+  if ('string' == typeof fn) fn = obj[fn];
+  if ('function' != typeof fn) throw new Error('bind() requires a function');
+  var args = slice.call(arguments, 2);
+  return function(){
+    return fn.apply(obj, args.concat(slice.call(arguments)));
+  }
+};
+
+},{}],53:[function(require,module,exports){
+
+/**
+ * Expose `Emitter`.
+ */
+
+module.exports = Emitter;
+
+/**
+ * Initialize a new `Emitter`.
+ *
+ * @api public
+ */
+
+function Emitter(obj) {
+  if (obj) return mixin(obj);
+};
+
+/**
+ * Mixin the emitter properties.
+ *
+ * @param {Object} obj
+ * @return {Object}
+ * @api private
+ */
+
+function mixin(obj) {
+  for (var key in Emitter.prototype) {
+    obj[key] = Emitter.prototype[key];
+  }
+  return obj;
+}
+
+/**
+ * Listen on the given `event` with `fn`.
+ *
+ * @param {String} event
+ * @param {Function} fn
+ * @return {Emitter}
+ * @api public
+ */
+
+Emitter.prototype.on =
+Emitter.prototype.addEventListener = function(event, fn){
+  this._callbacks = this._callbacks || {};
+  (this._callbacks[event] = this._callbacks[event] || [])
+    .push(fn);
+  return this;
+};
+
+/**
+ * Adds an `event` listener that will be invoked a single
+ * time then automatically removed.
+ *
+ * @param {String} event
+ * @param {Function} fn
+ * @return {Emitter}
+ * @api public
+ */
+
+Emitter.prototype.once = function(event, fn){
+  var self = this;
+  this._callbacks = this._callbacks || {};
+
+  function on() {
+    self.off(event, on);
+    fn.apply(this, arguments);
+  }
+
+  on.fn = fn;
+  this.on(event, on);
+  return this;
+};
+
+/**
+ * Remove the given callback for `event` or all
+ * registered callbacks.
+ *
+ * @param {String} event
+ * @param {Function} fn
+ * @return {Emitter}
+ * @api public
+ */
+
+Emitter.prototype.off =
+Emitter.prototype.removeListener =
+Emitter.prototype.removeAllListeners =
+Emitter.prototype.removeEventListener = function(event, fn){
+  this._callbacks = this._callbacks || {};
+
+  // all
+  if (0 == arguments.length) {
+    this._callbacks = {};
+    return this;
+  }
+
+  // specific event
+  var callbacks = this._callbacks[event];
+  if (!callbacks) return this;
+
+  // remove all handlers
+  if (1 == arguments.length) {
+    delete this._callbacks[event];
+    return this;
+  }
+
+  // remove specific handler
+  var cb;
+  for (var i = 0; i < callbacks.length; i++) {
+    cb = callbacks[i];
+    if (cb === fn || cb.fn === fn) {
+      callbacks.splice(i, 1);
+      break;
+    }
+  }
+  return this;
+};
+
+/**
+ * Emit `event` with the given args.
+ *
+ * @param {String} event
+ * @param {Mixed} ...
+ * @return {Emitter}
+ */
+
+Emitter.prototype.emit = function(event){
+  this._callbacks = this._callbacks || {};
+  var args = [].slice.call(arguments, 1)
+    , callbacks = this._callbacks[event];
+
+  if (callbacks) {
+    callbacks = callbacks.slice(0);
+    for (var i = 0, len = callbacks.length; i < len; ++i) {
+      callbacks[i].apply(this, args);
+    }
+  }
+
+  return this;
+};
+
+/**
+ * Return array of callbacks for `event`.
+ *
+ * @param {String} event
+ * @return {Array}
+ * @api public
+ */
+
+Emitter.prototype.listeners = function(event){
+  this._callbacks = this._callbacks || {};
+  return this._callbacks[event] || [];
+};
+
+/**
+ * Check if this emitter has `event` handlers.
+ *
+ * @param {String} event
+ * @return {Boolean}
+ * @api public
+ */
+
+Emitter.prototype.hasListeners = function(event){
+  return !! this.listeners(event).length;
+};
+
+},{}],54:[function(require,module,exports){
+
+module.exports = function(a, b){
+  var fn = function(){};
+  fn.prototype = b.prototype;
+  a.prototype = new fn;
+  a.prototype.constructor = a;
+};
+},{}],55:[function(require,module,exports){
+
+/**
+ * Expose `debug()` as the module.
+ */
+
+module.exports = debug;
+
+/**
+ * Create a debugger with the given `name`.
+ *
+ * @param {String} name
+ * @return {Type}
+ * @api public
+ */
+
+function debug(name) {
+  if (!debug.enabled(name)) return function(){};
+
+  return function(fmt){
+    fmt = coerce(fmt);
+
+    var curr = new Date;
+    var ms = curr - (debug[name] || curr);
+    debug[name] = curr;
+
+    fmt = name
+      + ' '
+      + fmt
+      + ' +' + debug.humanize(ms);
+
+    // This hackery is required for IE8
+    // where `console.log` doesn't have 'apply'
+    window.console
+      && console.log
+      && Function.prototype.apply.call(console.log, console, arguments);
+  }
+}
+
+/**
+ * The currently active debug mode names.
+ */
+
+debug.names = [];
+debug.skips = [];
+
+/**
+ * Enables a debug mode by name. This can include modes
+ * separated by a colon and wildcards.
+ *
+ * @param {String} name
+ * @api public
+ */
+
+debug.enable = function(name) {
+  try {
+    localStorage.debug = name;
+  } catch(e){}
+
+  var split = (name || '').split(/[\s,]+/)
+    , len = split.length;
+
+  for (var i = 0; i < len; i++) {
+    name = split[i].replace('*', '.*?');
+    if (name[0] === '-') {
+      debug.skips.push(new RegExp('^' + name.substr(1) + '$'));
+    }
+    else {
+      debug.names.push(new RegExp('^' + name + '$'));
+    }
+  }
+};
+
+/**
+ * Disable debug output.
+ *
+ * @api public
+ */
+
+debug.disable = function(){
+  debug.enable('');
+};
+
+/**
+ * Humanize the given `ms`.
+ *
+ * @param {Number} m
+ * @return {String}
+ * @api private
+ */
+
+debug.humanize = function(ms) {
+  var sec = 1000
+    , min = 60 * 1000
+    , hour = 60 * min;
+
+  if (ms >= hour) return (ms / hour).toFixed(1) + 'h';
+  if (ms >= min) return (ms / min).toFixed(1) + 'm';
+  if (ms >= sec) return (ms / sec | 0) + 's';
+  return ms + 'ms';
+};
+
+/**
+ * Returns true if the given mode name is enabled, false otherwise.
+ *
+ * @param {String} name
+ * @return {Boolean}
+ * @api public
+ */
+
+debug.enabled = function(name) {
+  for (var i = 0, len = debug.skips.length; i < len; i++) {
+    if (debug.skips[i].test(name)) {
+      return false;
+    }
+  }
+  for (var i = 0, len = debug.names.length; i < len; i++) {
+    if (debug.names[i].test(name)) {
+      return true;
+    }
+  }
+  return false;
+};
+
+/**
+ * Coerce `val`.
+ */
+
+function coerce(val) {
+  if (val instanceof Error) return val.stack || val.message;
+  return val;
+}
+
+// persist
+
+try {
+  if (window.localStorage) debug.enable(localStorage.debug);
+} catch(e){}
+
+},{}],56:[function(require,module,exports){
+
+module.exports =  require('./lib/');
+
+},{"./lib/":57}],57:[function(require,module,exports){
+
+module.exports = require('./socket');
+
+/**
+ * Exports parser
+ *
+ * @api public
+ *
+ */
+module.exports.parser = require('engine.io-parser');
+
+},{"./socket":58,"engine.io-parser":69}],58:[function(require,module,exports){
+(function (global){
+/**
+ * Module dependencies.
+ */
+
+var transports = require('./transports');
+var Emitter = require('component-emitter');
+var debug = require('debug')('engine.io-client:socket');
+var index = require('indexof');
+var parser = require('engine.io-parser');
+var parseuri = require('parseuri');
+var parsejson = require('parsejson');
+var parseqs = require('parseqs');
+
+/**
+ * Module exports.
+ */
+
+module.exports = Socket;
+
+/**
+ * Noop function.
+ *
+ * @api private
+ */
+
+function noop(){}
+
+/**
+ * Socket constructor.
+ *
+ * @param {String|Object} uri or options
+ * @param {Object} options
+ * @api public
+ */
+
+function Socket(uri, opts){
+  if (!(this instanceof Socket)) return new Socket(uri, opts);
+
+  opts = opts || {};
+
+  if (uri && 'object' == typeof uri) {
+    opts = uri;
+    uri = null;
+  }
+
+  if (uri) {
+    uri = parseuri(uri);
+    opts.host = uri.host;
+    opts.secure = uri.protocol == 'https' || uri.protocol == 'wss';
+    opts.port = uri.port;
+    if (uri.query) opts.query = uri.query;
+  }
+
+  this.secure = null != opts.secure ? opts.secure :
+    (global.location && 'https:' == location.protocol);
+
+  if (opts.host) {
+    var pieces = opts.host.split(':');
+    opts.hostname = pieces.shift();
+    if (pieces.length) {
+      opts.port = pieces.pop();
+    } else if (!opts.port) {
+      // if no port is specified manually, use the protocol default
+      opts.port = this.secure ? '443' : '80';
+    }
+  }
+
+  this.agent = opts.agent || false;
+  this.hostname = opts.hostname ||
+    (global.location ? location.hostname : 'localhost');
+  this.port = opts.port || (global.location && location.port ?
+       location.port :
+       (this.secure ? 443 : 80));
+  this.query = opts.query || {};
+  if ('string' == typeof this.query) this.query = parseqs.decode(this.query);
+  this.upgrade = false !== opts.upgrade;
+  this.path = (opts.path || '/engine.io').replace(/\/$/, '') + '/';
+  this.forceJSONP = !!opts.forceJSONP;
+  this.jsonp = false !== opts.jsonp;
+  this.forceBase64 = !!opts.forceBase64;
+  this.enablesXDR = !!opts.enablesXDR;
+  this.timestampParam = opts.timestampParam || 't';
+  this.timestampRequests = opts.timestampRequests;
+  this.transports = opts.transports || ['polling', 'websocket'];
+  this.readyState = '';
+  this.writeBuffer = [];
+  this.callbackBuffer = [];
+  this.policyPort = opts.policyPort || 843;
+  this.rememberUpgrade = opts.rememberUpgrade || false;
+  this.binaryType = null;
+  this.onlyBinaryUpgrades = opts.onlyBinaryUpgrades;
+
+  // SSL options for Node.js client
+  this.pfx = opts.pfx || null;
+  this.key = opts.key || null;
+  this.passphrase = opts.passphrase || null;
+  this.cert = opts.cert || null;
+  this.ca = opts.ca || null;
+  this.ciphers = opts.ciphers || null;
+  this.rejectUnauthorized = opts.rejectUnauthorized || null;
+
+  this.open();
+}
+
+Socket.priorWebsocketSuccess = false;
+
+/**
+ * Mix in `Emitter`.
+ */
+
+Emitter(Socket.prototype);
+
+/**
+ * Protocol version.
+ *
+ * @api public
+ */
+
+Socket.protocol = parser.protocol; // this is an int
+
+/**
+ * Expose deps for legacy compatibility
+ * and standalone browser access.
+ */
+
+Socket.Socket = Socket;
+Socket.Transport = require('./transport');
+Socket.transports = require('./transports');
+Socket.parser = require('engine.io-parser');
+
+/**
+ * Creates transport of the given type.
+ *
+ * @param {String} transport name
+ * @return {Transport}
+ * @api private
+ */
+
+Socket.prototype.createTransport = function (name) {
+  debug('creating transport "%s"', name);
+  var query = clone(this.query);
+
+  // append engine.io protocol identifier
+  query.EIO = parser.protocol;
+
+  // transport name
+  query.transport = name;
+
+  // session id if we already have one
+  if (this.id) query.sid = this.id;
+
+  var transport = new transports[name]({
+    agent: this.agent,
+    hostname: this.hostname,
+    port: this.port,
+    secure: this.secure,
+    path: this.path,
+    query: query,
+    forceJSONP: this.forceJSONP,
+    jsonp: this.jsonp,
+    forceBase64: this.forceBase64,
+    enablesXDR: this.enablesXDR,
+    timestampRequests: this.timestampRequests,
+    timestampParam: this.timestampParam,
+    policyPort: this.policyPort,
+    socket: this,
+    pfx: this.pfx,
+    key: this.key,
+    passphrase: this.passphrase,
+    cert: this.cert,
+    ca: this.ca,
+    ciphers: this.ciphers,
+    rejectUnauthorized: this.rejectUnauthorized
+  });
+
+  return transport;
+};
+
+function clone (obj) {
+  var o = {};
+  for (var i in obj) {
+    if (obj.hasOwnProperty(i)) {
+      o[i] = obj[i];
+    }
+  }
+  return o;
+}
+
+/**
+ * Initializes transport to use and starts probe.
+ *
+ * @api private
+ */
+Socket.prototype.open = function () {
+  var transport;
+  if (this.rememberUpgrade && Socket.priorWebsocketSuccess && this.transports.indexOf('websocket') != -1) {
+    transport = 'websocket';
+  } else if (0 == this.transports.length) {
+    // Emit error on next tick so it can be listened to
+    var self = this;
+    setTimeout(function() {
+      self.emit('error', 'No transports available');
+    }, 0);
+    return;
+  } else {
+    transport = this.transports[0];
+  }
+  this.readyState = 'opening';
+
+  // Retry with the next transport if the transport is disabled (jsonp: false)
+  var transport;
+  try {
+    transport = this.createTransport(transport);
+  } catch (e) {
+    this.transports.shift();
+    this.open();
+    return;
+  }
+
+  transport.open();
+  this.setTransport(transport);
+};
+
+/**
+ * Sets the current transport. Disables the existing one (if any).
+ *
+ * @api private
+ */
+
+Socket.prototype.setTransport = function(transport){
+  debug('setting transport %s', transport.name);
+  var self = this;
+
+  if (this.transport) {
+    debug('clearing existing transport %s', this.transport.name);
+    this.transport.removeAllListeners();
+  }
+
+  // set up transport
+  this.transport = transport;
+
+  // set up transport listeners
+  transport
+  .on('drain', function(){
+    self.onDrain();
+  })
+  .on('packet', function(packet){
+    self.onPacket(packet);
+  })
+  .on('error', function(e){
+    self.onError(e);
+  })
+  .on('close', function(){
+    self.onClose('transport close');
+  });
+};
+
+/**
+ * Probes a transport.
+ *
+ * @param {String} transport name
+ * @api private
+ */
+
+Socket.prototype.probe = function (name) {
+  debug('probing transport "%s"', name);
+  var transport = this.createTransport(name, { probe: 1 })
+    , failed = false
+    , self = this;
+
+  Socket.priorWebsocketSuccess = false;
+
+  function onTransportOpen(){
+    if (self.onlyBinaryUpgrades) {
+      var upgradeLosesBinary = !this.supportsBinary && self.transport.supportsBinary;
+      failed = failed || upgradeLosesBinary;
+    }
+    if (failed) return;
+
+    debug('probe transport "%s" opened', name);
+    transport.send([{ type: 'ping', data: 'probe' }]);
+    transport.once('packet', function (msg) {
+      if (failed) return;
+      if ('pong' == msg.type && 'probe' == msg.data) {
+        debug('probe transport "%s" pong', name);
+        self.upgrading = true;
+        self.emit('upgrading', transport);
+        if (!transport) return;
+        Socket.priorWebsocketSuccess = 'websocket' == transport.name;
+
+        debug('pausing current transport "%s"', self.transport.name);
+        self.transport.pause(function () {
+          if (failed) return;
+          if ('closed' == self.readyState) return;
+          debug('changing transport and sending upgrade packet');
+
+          cleanup();
+
+          self.setTransport(transport);
+          transport.send([{ type: 'upgrade' }]);
+          self.emit('upgrade', transport);
+          transport = null;
+          self.upgrading = false;
+          self.flush();
+        });
+      } else {
+        debug('probe transport "%s" failed', name);
+        var err = new Error('probe error');
+        err.transport = transport.name;
+        self.emit('upgradeError', err);
+      }
+    });
+  }
+
+  function freezeTransport() {
+    if (failed) return;
+
+    // Any callback called by transport should be ignored since now
+    failed = true;
+
+    cleanup();
+
+    transport.close();
+    transport = null;
+  }
+
+  //Handle any error that happens while probing
+  function onerror(err) {
+    var error = new Error('probe error: ' + err);
+    error.transport = transport.name;
+
+    freezeTransport();
+
+    debug('probe transport "%s" failed because of error: %s', name, err);
+
+    self.emit('upgradeError', error);
+  }
+
+  function onTransportClose(){
+    onerror("transport closed");
+  }
+
+  //When the socket is closed while we're probing
+  function onclose(){
+    onerror("socket closed");
+  }
+
+  //When the socket is upgraded while we're probing
+  function onupgrade(to){
+    if (transport && to.name != transport.name) {
+      debug('"%s" works - aborting "%s"', to.name, transport.name);
+      freezeTransport();
+    }
+  }
+
+  //Remove all listeners on the transport and on self
+  function cleanup(){
+    transport.removeListener('open', onTransportOpen);
+    transport.removeListener('error', onerror);
+    transport.removeListener('close', onTransportClose);
+    self.removeListener('close', onclose);
+    self.removeListener('upgrading', onupgrade);
+  }
+
+  transport.once('open', onTransportOpen);
+  transport.once('error', onerror);
+  transport.once('close', onTransportClose);
+
+  this.once('close', onclose);
+  this.once('upgrading', onupgrade);
+
+  transport.open();
+
+};
+
+/**
+ * Called when connection is deemed open.
+ *
+ * @api public
+ */
+
+Socket.prototype.onOpen = function () {
+  debug('socket open');
+  this.readyState = 'open';
+  Socket.priorWebsocketSuccess = 'websocket' == this.transport.name;
+  this.emit('open');
+  this.flush();
+
+  // we check for `readyState` in case an `open`
+  // listener already closed the socket
+  if ('open' == this.readyState && this.upgrade && this.transport.pause) {
+    debug('starting upgrade probes');
+    for (var i = 0, l = this.upgrades.length; i < l; i++) {
+      this.probe(this.upgrades[i]);
+    }
+  }
+};
+
+/**
+ * Handles a packet.
+ *
+ * @api private
+ */
+
+Socket.prototype.onPacket = function (packet) {
+  if ('opening' == this.readyState || 'open' == this.readyState) {
+    debug('socket receive: type "%s", data "%s"', packet.type, packet.data);
+
+    this.emit('packet', packet);
+
+    // Socket is live - any packet counts
+    this.emit('heartbeat');
+
+    switch (packet.type) {
+      case 'open':
+        this.onHandshake(parsejson(packet.data));
+        break;
+
+      case 'pong':
+        this.setPing();
+        break;
+
+      case 'error':
+        var err = new Error('server error');
+        err.code = packet.data;
+        this.emit('error', err);
+        break;
+
+      case 'message':
+        this.emit('data', packet.data);
+        this.emit('message', packet.data);
+        break;
+    }
+  } else {
+    debug('packet received with socket readyState "%s"', this.readyState);
+  }
+};
+
+/**
+ * Called upon handshake completion.
+ *
+ * @param {Object} handshake obj
+ * @api private
+ */
+
+Socket.prototype.onHandshake = function (data) {
+  this.emit('handshake', data);
+  this.id = data.sid;
+  this.transport.query.sid = data.sid;
+  this.upgrades = this.filterUpgrades(data.upgrades);
+  this.pingInterval = data.pingInterval;
+  this.pingTimeout = data.pingTimeout;
+  this.onOpen();
+  // In case open handler closes socket
+  if  ('closed' == this.readyState) return;
+  this.setPing();
+
+  // Prolong liveness of socket on heartbeat
+  this.removeListener('heartbeat', this.onHeartbeat);
+  this.on('heartbeat', this.onHeartbeat);
+};
+
+/**
+ * Resets ping timeout.
+ *
+ * @api private
+ */
+
+Socket.prototype.onHeartbeat = function (timeout) {
+  clearTimeout(this.pingTimeoutTimer);
+  var self = this;
+  self.pingTimeoutTimer = setTimeout(function () {
+    if ('closed' == self.readyState) return;
+    self.onClose('ping timeout');
+  }, timeout || (self.pingInterval + self.pingTimeout));
+};
+
+/**
+ * Pings server every `this.pingInterval` and expects response
+ * within `this.pingTimeout` or closes connection.
+ *
+ * @api private
+ */
+
+Socket.prototype.setPing = function () {
+  var self = this;
+  clearTimeout(self.pingIntervalTimer);
+  self.pingIntervalTimer = setTimeout(function () {
+    debug('writing ping packet - expecting pong within %sms', self.pingTimeout);
+    self.ping();
+    self.onHeartbeat(self.pingTimeout);
+  }, self.pingInterval);
+};
+
+/**
+* Sends a ping packet.
+*
+* @api public
+*/
+
+Socket.prototype.ping = function () {
+  this.sendPacket('ping');
+};
+
+/**
+ * Called on `drain` event
+ *
+ * @api private
+ */
+
+Socket.prototype.onDrain = function() {
+  for (var i = 0; i < this.prevBufferLen; i++) {
+    if (this.callbackBuffer[i]) {
+      this.callbackBuffer[i]();
+    }
+  }
+
+  this.writeBuffer.splice(0, this.prevBufferLen);
+  this.callbackBuffer.splice(0, this.prevBufferLen);
+
+  // setting prevBufferLen = 0 is very important
+  // for example, when upgrading, upgrade packet is sent over,
+  // and a nonzero prevBufferLen could cause problems on `drain`
+  this.prevBufferLen = 0;
+
+  if (this.writeBuffer.length == 0) {
+    this.emit('drain');
+  } else {
+    this.flush();
+  }
+};
+
+/**
+ * Flush write buffers.
+ *
+ * @api private
+ */
+
+Socket.prototype.flush = function () {
+  if ('closed' != this.readyState && this.transport.writable &&
+    !this.upgrading && this.writeBuffer.length) {
+    debug('flushing %d packets in socket', this.writeBuffer.length);
+    this.transport.send(this.writeBuffer);
+    // keep track of current length of writeBuffer
+    // splice writeBuffer and callbackBuffer on `drain`
+    this.prevBufferLen = this.writeBuffer.length;
+    this.emit('flush');
+  }
+};
+
+/**
+ * Sends a message.
+ *
+ * @param {String} message.
+ * @param {Function} callback function.
+ * @return {Socket} for chaining.
+ * @api public
+ */
+
+Socket.prototype.write =
+Socket.prototype.send = function (msg, fn) {
+  this.sendPacket('message', msg, fn);
+  return this;
+};
+
+/**
+ * Sends a packet.
+ *
+ * @param {String} packet type.
+ * @param {String} data.
+ * @param {Function} callback function.
+ * @api private
+ */
+
+Socket.prototype.sendPacket = function (type, data, fn) {
+  if ('closing' == this.readyState || 'closed' == this.readyState) {
+    return;
+  }
+
+  var packet = { type: type, data: data };
+  this.emit('packetCreate', packet);
+  this.writeBuffer.push(packet);
+  this.callbackBuffer.push(fn);
+  this.flush();
+};
+
+/**
+ * Closes the connection.
+ *
+ * @api private
+ */
+
+Socket.prototype.close = function () {
+  if ('opening' == this.readyState || 'open' == this.readyState) {
+    this.readyState = 'closing';
+
+    var self = this;
+
+    function close() {
+      self.onClose('forced close');
+      debug('socket closing - telling transport to close');
+      self.transport.close();
+    }
+
+    function cleanupAndClose() {
+      self.removeListener('upgrade', cleanupAndClose);
+      self.removeListener('upgradeError', cleanupAndClose);
+      close();
+    }
+
+    function waitForUpgrade() {
+      // wait for upgrade to finish since we can't send packets while pausing a transport
+      self.once('upgrade', cleanupAndClose);
+      self.once('upgradeError', cleanupAndClose);
+    }
+
+    if (this.writeBuffer.length) {
+      this.once('drain', function() {
+        if (this.upgrading) {
+          waitForUpgrade();
+        } else {
+          close();
+        }
+      });
+    } else if (this.upgrading) {
+      waitForUpgrade();
     } else {
-        queueIndex = -1;
-    }
-    if (queue.length) {
-        drainQueue();
+      close();
     }
+  }
+
+  return this;
+};
+
+/**
+ * Called upon transport error
+ *
+ * @api private
+ */
+
+Socket.prototype.onError = function (err) {
+  debug('socket error %j', err);
+  Socket.priorWebsocketSuccess = false;
+  this.emit('error', err);
+  this.onClose('transport error', err);
+};
+
+/**
+ * Called upon transport close.
+ *
+ * @api private
+ */
+
+Socket.prototype.onClose = function (reason, desc) {
+  if ('opening' == this.readyState || 'open' == this.readyState || 'closing' == this.readyState) {
+    debug('socket close with reason: "%s"', reason);
+    var self = this;
+
+    // clear timers
+    clearTimeout(this.pingIntervalTimer);
+    clearTimeout(this.pingTimeoutTimer);
+
+    // clean buffers in next tick, so developers can still
+    // grab the buffers on `close` event
+    setTimeout(function() {
+      self.writeBuffer = [];
+      self.callbackBuffer = [];
+      self.prevBufferLen = 0;
+    }, 0);
+
+    // stop event from firing again for transport
+    this.transport.removeAllListeners('close');
+
+    // ensure transport won't stay open
+    this.transport.close();
+
+    // ignore further transport communication
+    this.transport.removeAllListeners();
+
+    // set ready state
+    this.readyState = 'closed';
+
+    // clear session id
+    this.id = null;
+
+    // emit close event
+    this.emit('close', reason, desc);
+  }
+};
+
+/**
+ * Filters upgrades, returning only those matching client transports.
+ *
+ * @param {Array} server upgrades
+ * @api private
+ *
+ */
+
+Socket.prototype.filterUpgrades = function (upgrades) {
+  var filteredUpgrades = [];
+  for (var i = 0, j = upgrades.length; i<j; i++) {
+    if (~index(this.transports, upgrades[i])) filteredUpgrades.push(upgrades[i]);
+  }
+  return filteredUpgrades;
+};
+
+}).call(this,typeof global !== "undefined" ? global : typeof self !== "undefined" ? self : typeof window !== "undefined" ? window : {})
+},{"./transport":59,"./transports":60,"component-emitter":53,"debug":66,"engine.io-parser":69,"indexof":76,"parsejson":100,"parseqs":101,"parseuri":68}],59:[function(require,module,exports){
+/**
+ * Module dependencies.
+ */
+
+var parser = require('engine.io-parser');
+var Emitter = require('component-emitter');
+
+/**
+ * Module exports.
+ */
+
+module.exports = Transport;
+
+/**
+ * Transport abstract constructor.
+ *
+ * @param {Object} options.
+ * @api private
+ */
+
+function Transport (opts) {
+  this.path = opts.path;
+  this.hostname = opts.hostname;
+  this.port = opts.port;
+  this.secure = opts.secure;
+  this.query = opts.query;
+  this.timestampParam = opts.timestampParam;
+  this.timestampRequests = opts.timestampRequests;
+  this.readyState = '';
+  this.agent = opts.agent || false;
+  this.socket = opts.socket;
+  this.enablesXDR = opts.enablesXDR;
+
+  // SSL options for Node.js client
+  this.pfx = opts.pfx;
+  this.key = opts.key;
+  this.passphrase = opts.passphrase;
+  this.cert = opts.cert;
+  this.ca = opts.ca;
+  this.ciphers = opts.ciphers;
+  this.rejectUnauthorized = opts.rejectUnauthorized;
 }
 
-function drainQueue() {
-    if (draining) {
-        return;
-    }
-    var timeout = setTimeout(cleanUpNextTick);
-    draining = true;
+/**
+ * Mix in `Emitter`.
+ */
 
-    var len = queue.length;
-    while(len) {
-        currentQueue = queue;
-        queue = [];
-        while (++queueIndex < len) {
-            if (currentQueue) {
-                currentQueue[queueIndex].run();
-            }
+Emitter(Transport.prototype);
+
+/**
+ * A counter used to prevent collisions in the timestamps used
+ * for cache busting.
+ */
+
+Transport.timestamps = 0;
+
+/**
+ * Emits an error.
+ *
+ * @param {String} str
+ * @return {Transport} for chaining
+ * @api public
+ */
+
+Transport.prototype.onError = function (msg, desc) {
+  var err = new Error(msg);
+  err.type = 'TransportError';
+  err.description = desc;
+  this.emit('error', err);
+  return this;
+};
+
+/**
+ * Opens the transport.
+ *
+ * @api public
+ */
+
+Transport.prototype.open = function () {
+  if ('closed' == this.readyState || '' == this.readyState) {
+    this.readyState = 'opening';
+    this.doOpen();
+  }
+
+  return this;
+};
+
+/**
+ * Closes the transport.
+ *
+ * @api private
+ */
+
+Transport.prototype.close = function () {
+  if ('opening' == this.readyState || 'open' == this.readyState) {
+    this.doClose();
+    this.onClose();
+  }
+
+  return this;
+};
+
+/**
+ * Sends multiple packets.
+ *
+ * @param {Array} packets
+ * @api private
+ */
+
+Transport.prototype.send = function(packets){
+  if ('open' == this.readyState) {
+    this.write(packets);
+  } else {
+    throw new Error('Transport not open');
+  }
+};
+
+/**
+ * Called upon open
+ *
+ * @api private
+ */
+
+Transport.prototype.onOpen = function () {
+  this.readyState = 'open';
+  this.writable = true;
+  this.emit('open');
+};
+
+/**
+ * Called with data.
+ *
+ * @param {String} data
+ * @api private
+ */
+
+Transport.prototype.onData = function(data){
+  var packet = parser.decodePacket(data, this.socket.binaryType);
+  this.onPacket(packet);
+};
+
+/**
+ * Called with a decoded packet.
+ */
+
+Transport.prototype.onPacket = function (packet) {
+  this.emit('packet', packet);
+};
+
+/**
+ * Called upon close.
+ *
+ * @api private
+ */
+
+Transport.prototype.onClose = function () {
+  this.readyState = 'closed';
+  this.emit('close');
+};
+
+},{"component-emitter":53,"engine.io-parser":69}],60:[function(require,module,exports){
+(function (global){
+/**
+ * Module dependencies
+ */
+
+var XMLHttpRequest = require('xmlhttprequest');
+var XHR = require('./polling-xhr');
+var JSONP = require('./polling-jsonp');
+var websocket = require('./websocket');
+
+/**
+ * Export transports.
+ */
+
+exports.polling = polling;
+exports.websocket = websocket;
+
+/**
+ * Polling transport polymorphic constructor.
+ * Decides on xhr vs jsonp based on feature detection.
+ *
+ * @api private
+ */
+
+function polling(opts){
+  var xhr;
+  var xd = false;
+  var xs = false;
+  var jsonp = false !== opts.jsonp;
+
+  if (global.location) {
+    var isSSL = 'https:' == location.protocol;
+    var port = location.port;
+
+    // some user agents have empty `location.port`
+    if (!port) {
+      port = isSSL ? 443 : 80;
+    }
+
+    xd = opts.hostname != location.hostname || port != opts.port;
+    xs = opts.secure != isSSL;
+  }
+
+  opts.xdomain = xd;
+  opts.xscheme = xs;
+  xhr = new XMLHttpRequest(opts);
+
+  if ('open' in xhr && !opts.forceJSONP) {
+    return new XHR(opts);
+  } else {
+    if (!jsonp) throw new Error('JSONP disabled');
+    return new JSONP(opts);
+  }
+}
+
+}).call(this,typeof global !== "undefined" ? global : typeof self !== "undefined" ? self : typeof window !== "undefined" ? window : {})
+},{"./polling-jsonp":61,"./polling-xhr":62,"./websocket":64,"xmlhttprequest":65}],61:[function(require,module,exports){
+(function (global){
+
+/**
+ * Module requirements.
+ */
+
+var Polling = require('./polling');
+var inherit = require('component-inherit');
+
+/**
+ * Module exports.
+ */
+
+module.exports = JSONPPolling;
+
+/**
+ * Cached regular expressions.
+ */
+
+var rNewline = /\n/g;
+var rEscapedNewline = /\\n/g;
+
+/**
+ * Global JSONP callbacks.
+ */
+
+var callbacks;
+
+/**
+ * Callbacks count.
+ */
+
+var index = 0;
+
+/**
+ * Noop.
+ */
+
+function empty () { }
+
+/**
+ * JSONP Polling constructor.
+ *
+ * @param {Object} opts.
+ * @api public
+ */
+
+function JSONPPolling (opts) {
+  Polling.call(this, opts);
+
+  this.query = this.query || {};
+
+  // define global callbacks array if not present
+  // we do this here (lazily) to avoid unneeded global pollution
+  if (!callbacks) {
+    // we need to consider multiple engines in the same page
+    if (!global.___eio) global.___eio = [];
+    callbacks = global.___eio;
+  }
+
+  // callback identifier
+  this.index = callbacks.length;
+
+  // add callback to jsonp global
+  var self = this;
+  callbacks.push(function (msg) {
+    self.onData(msg);
+  });
+
+  // append to query string
+  this.query.j = this.index;
+
+  // prevent spurious errors from being emitted when the window is unloaded
+  if (global.document && global.addEventListener) {
+    global.addEventListener('beforeunload', function () {
+      if (self.script) self.script.onerror = empty;
+    }, false);
+  }
+}
+
+/**
+ * Inherits from Polling.
+ */
+
+inherit(JSONPPolling, Polling);
+
+/*
+ * JSONP only supports binary as base64 encoded strings
+ */
+
+JSONPPolling.prototype.supportsBinary = false;
+
+/**
+ * Closes the socket.
+ *
+ * @api private
+ */
+
+JSONPPolling.prototype.doClose = function () {
+  if (this.script) {
+    this.script.parentNode.removeChild(this.script);
+    this.script = null;
+  }
+
+  if (this.form) {
+    this.form.parentNode.removeChild(this.form);
+    this.form = null;
+    this.iframe = null;
+  }
+
+  Polling.prototype.doClose.call(this);
+};
+
+/**
+ * Starts a poll cycle.
+ *
+ * @api private
+ */
+
+JSONPPolling.prototype.doPoll = function () {
+  var self = this;
+  var script = document.createElement('script');
+
+  if (this.script) {
+    this.script.parentNode.removeChild(this.script);
+    this.script = null;
+  }
+
+  script.async = true;
+  script.src = this.uri();
+  script.onerror = function(e){
+    self.onError('jsonp poll error',e);
+  };
+
+  var insertAt = document.getElementsByTagName('script')[0];
+  insertAt.parentNode.insertBefore(script, insertAt);
+  this.script = script;
+
+  var isUAgecko = 'undefined' != typeof navigator && /gecko/i.test(navigator.userAgent);
+  
+  if (isUAgecko) {
+    setTimeout(function () {
+      var iframe = document.createElement('iframe');
+      document.body.appendChild(iframe);
+      document.body.removeChild(iframe);
+    }, 100);
+  }
+};
+
+/**
+ * Writes with a hidden iframe.
+ *
+ * @param {String} data to send
+ * @param {Function} called upon flush.
+ * @api private
+ */
+
+JSONPPolling.prototype.doWrite = function (data, fn) {
+  var self = this;
+
+  if (!this.form) {
+    var form = document.createElement('form');
+    var area = document.createElement('textarea');
+    var id = this.iframeId = 'eio_iframe_' + this.index;
+    var iframe;
+
+    form.className = 'socketio';
+    form.style.position = 'absolute';
+    form.style.top = '-1000px';
+    form.style.left = '-1000px';
+    form.target = id;
+    form.method = 'POST';
+    form.setAttribute('accept-charset', 'utf-8');
+    area.name = 'd';
+    form.appendChild(area);
+    document.body.appendChild(form);
+
+    this.form = form;
+    this.area = area;
+  }
+
+  this.form.action = this.uri();
+
+  function complete () {
+    initIframe();
+    fn();
+  }
+
+  function initIframe () {
+    if (self.iframe) {
+      try {
+        self.form.removeChild(self.iframe);
+      } catch (e) {
+        self.onError('jsonp polling iframe removal error', e);
+      }
+    }
+
+    try {
+      // ie6 dynamic iframes with target="" support (thanks Chris Lambacher)
+      var html = '<iframe src="javascript:0" name="'+ self.iframeId +'">';
+      iframe = document.createElement(html);
+    } catch (e) {
+      iframe = document.createElement('iframe');
+      iframe.name = self.iframeId;
+      iframe.src = 'javascript:0';
+    }
+
+    iframe.id = self.iframeId;
+
+    self.form.appendChild(iframe);
+    self.iframe = iframe;
+  }
+
+  initIframe();
+
+  // escape \n to prevent it from being converted into \r\n by some UAs
+  // double escaping is required for escaped new lines because unescaping of new lines can be done safely on server-side
+  data = data.replace(rEscapedNewline, '\\\n');
+  this.area.value = data.replace(rNewline, '\\n');
+
+  try {
+    this.form.submit();
+  } catch(e) {}
+
+  if (this.iframe.attachEvent) {
+    this.iframe.onreadystatechange = function(){
+      if (self.iframe.readyState == 'complete') {
+        complete();
+      }
+    };
+  } else {
+    this.iframe.onload = complete;
+  }
+};
+
+}).call(this,typeof global !== "undefined" ? global : typeof self !== "undefined" ? self : typeof window !== "undefined" ? window : {})
+},{"./polling":63,"component-inherit":54}],62:[function(require,module,exports){
+(function (global){
+/**
+ * Module requirements.
+ */
+
+var XMLHttpRequest = require('xmlhttprequest');
+var Polling = require('./polling');
+var Emitter = require('component-emitter');
+var inherit = require('component-inherit');
+var debug = require('debug')('engine.io-client:polling-xhr');
+
+/**
+ * Module exports.
+ */
+
+module.exports = XHR;
+module.exports.Request = Request;
+
+/**
+ * Empty function
+ */
+
+function empty(){}
+
+/**
+ * XHR Polling constructor.
+ *
+ * @param {Object} opts
+ * @api public
+ */
+
+function XHR(opts){
+  Polling.call(this, opts);
+
+  if (global.location) {
+    var isSSL = 'https:' == location.protocol;
+    var port = location.port;
+
+    // some user agents have empty `location.port`
+    if (!port) {
+      port = isSSL ? 443 : 80;
+    }
+
+    this.xd = opts.hostname != global.location.hostname ||
+      port != opts.port;
+    this.xs = opts.secure != isSSL;
+  }
+}
+
+/**
+ * Inherits from Polling.
+ */
+
+inherit(XHR, Polling);
+
+/**
+ * XHR supports binary
+ */
+
+XHR.prototype.supportsBinary = true;
+
+/**
+ * Creates a request.
+ *
+ * @param {String} method
+ * @api private
+ */
+
+XHR.prototype.request = function(opts){
+  opts = opts || {};
+  opts.uri = this.uri();
+  opts.xd = this.xd;
+  opts.xs = this.xs;
+  opts.agent = this.agent || false;
+  opts.supportsBinary = this.supportsBinary;
+  opts.enablesXDR = this.enablesXDR;
+
+  // SSL options for Node.js client
+  opts.pfx = this.pfx;
+  opts.key = this.key;
+  opts.passphrase = this.passphrase;
+  opts.cert = this.cert;
+  opts.ca = this.ca;
+  opts.ciphers = this.ciphers;
+  opts.rejectUnauthorized = this.rejectUnauthorized;
+
+  return new Request(opts);
+};
+
+/**
+ * Sends data.
+ *
+ * @param {String} data to send.
+ * @param {Function} called upon flush.
+ * @api private
+ */
+
+XHR.prototype.doWrite = function(data, fn){
+  var isBinary = typeof data !== 'string' && data !== undefined;
+  var req = this.request({ method: 'POST', data: data, isBinary: isBinary });
+  var self = this;
+  req.on('success', fn);
+  req.on('error', function(err){
+    self.onError('xhr post error', err);
+  });
+  this.sendXhr = req;
+};
+
+/**
+ * Starts a poll cycle.
+ *
+ * @api private
+ */
+
+XHR.prototype.doPoll = function(){
+  debug('xhr poll');
+  var req = this.request();
+  var self = this;
+  req.on('data', function(data){
+    self.onData(data);
+  });
+  req.on('error', function(err){
+    self.onError('xhr poll error', err);
+  });
+  this.pollXhr = req;
+};
+
+/**
+ * Request constructor
+ *
+ * @param {Object} options
+ * @api public
+ */
+
+function Request(opts){
+  this.method = opts.method || 'GET';
+  this.uri = opts.uri;
+  this.xd = !!opts.xd;
+  this.xs = !!opts.xs;
+  this.async = false !== opts.async;
+  this.data = undefined != opts.data ? opts.data : null;
+  this.agent = opts.agent;
+  this.isBinary = opts.isBinary;
+  this.supportsBinary = opts.supportsBinary;
+  this.enablesXDR = opts.enablesXDR;
+
+  // SSL options for Node.js client
+  this.pfx = opts.pfx;
+  this.key = opts.key;
+  this.passphrase = opts.passphrase;
+  this.cert = opts.cert;
+  this.ca = opts.ca;
+  this.ciphers = opts.ciphers;
+  this.rejectUnauthorized = opts.rejectUnauthorized;
+
+  this.create();
+}
+
+/**
+ * Mix in `Emitter`.
+ */
+
+Emitter(Request.prototype);
+
+/**
+ * Creates the XHR object and sends the request.
+ *
+ * @api private
+ */
+
+Request.prototype.create = function(){
+  var opts = { agent: this.agent, xdomain: this.xd, xscheme: this.xs, enablesXDR: this.enablesXDR };
+
+  // SSL options for Node.js client
+  opts.pfx = this.pfx;
+  opts.key = this.key;
+  opts.passphrase = this.passphrase;
+  opts.cert = this.cert;
+  opts.ca = this.ca;
+  opts.ciphers = this.ciphers;
+  opts.rejectUnauthorized = this.rejectUnauthorized;
+
+  var xhr = this.xhr = new XMLHttpRequest(opts);
+  var self = this;
+
+  try {
+    debug('xhr open %s: %s', this.method, this.uri);
+    xhr.open(this.method, this.uri, this.async);
+    if (this.supportsBinary) {
+      // This has to be done after open because Firefox is stupid
+      // http://stackoverflow.com/questions/13216903/get-binary-data-with-xmlhttprequest-in-a-firefox-extension
+      xhr.responseType = 'arraybuffer';
+    }
+
+    if ('POST' == this.method) {
+      try {
+        if (this.isBinary) {
+          xhr.setRequestHeader('Content-type', 'application/octet-stream');
+        } else {
+          xhr.setRequestHeader('Content-type', 'text/plain;charset=UTF-8');
         }
-        queueIndex = -1;
-        len = queue.length;
+      } catch (e) {}
     }
-    currentQueue = null;
-    draining = false;
-    clearTimeout(timeout);
-}
 
-process.nextTick = function (fun) {
-    var args = new Array(arguments.length - 1);
-    if (arguments.length > 1) {
-        for (var i = 1; i < arguments.length; i++) {
-            args[i - 1] = arguments[i];
+    // ie6 check
+    if ('withCredentials' in xhr) {
+      xhr.withCredentials = true;
+    }
+
+    if (this.hasXDR()) {
+      xhr.onload = function(){
+        self.onLoad();
+      };
+      xhr.onerror = function(){
+        self.onError(xhr.responseText);
+      };
+    } else {
+      xhr.onreadystatechange = function(){
+        if (4 != xhr.readyState) return;
+        if (200 == xhr.status || 1223 == xhr.status) {
+          self.onLoad();
+        } else {
+          // make sure the `error` event handler that's user-set
+          // does not throw in the same tick and gets caught here
+          setTimeout(function(){
+            self.onError(xhr.status);
+          }, 0);
         }
+      };
     }
-    queue.push(new Item(fun, args));
-    if (queue.length === 1 && !draining) {
-        setTimeout(drainQueue, 0);
-    }
+
+    debug('xhr data %s', this.data);
+    xhr.send(this.data);
+  } catch (e) {
+    // Need to defer since .create() is called directly fhrom the constructor
+    // and thus the 'error' event can only be only bound *after* this exception
+    // occurs.  Therefore, also, we cannot throw here at all.
+    setTimeout(function() {
+      self.onError(e);
+    }, 0);
+    return;
+  }
+
+  if (global.document) {
+    this.index = Request.requestsCount++;
+    Request.requests[this.index] = this;
+  }
 };
 
-// v8 likes predictible objects
-function Item(fun, array) {
-    this.fun = fun;
-    this.array = array;
+/**
+ * Called upon successful response.
+ *
+ * @api private
+ */
+
+Request.prototype.onSuccess = function(){
+  this.emit('success');
+  this.cleanup();
+};
+
+/**
+ * Called if we have data.
+ *
+ * @api private
+ */
+
+Request.prototype.onData = function(data){
+  this.emit('data', data);
+  this.onSuccess();
+};
+
+/**
+ * Called upon error.
+ *
+ * @api private
+ */
+
+Request.prototype.onError = function(err){
+  this.emit('error', err);
+  this.cleanup(true);
+};
+
+/**
+ * Cleans up house.
+ *
+ * @api private
+ */
+
+Request.prototype.cleanup = function(fromError){
+  if ('undefined' == typeof this.xhr || null === this.xhr) {
+    return;
+  }
+  // xmlhttprequest
+  if (this.hasXDR()) {
+    this.xhr.onload = this.xhr.onerror = empty;
+  } else {
+    this.xhr.onreadystatechange = empty;
+  }
+
+  if (fromError) {
+    try {
+      this.xhr.abort();
+    } catch(e) {}
+  }
+
+  if (global.document) {
+    delete Request.requests[this.index];
+  }
+
+  this.xhr = null;
+};
+
+/**
+ * Called upon load.
+ *
+ * @api private
+ */
+
+Request.prototype.onLoad = function(){
+  var data;
+  try {
+    var contentType;
+    try {
+      contentType = this.xhr.getResponseHeader('Content-Type').split(';')[0];
+    } catch (e) {}
+    if (contentType === 'application/octet-stream') {
+      data = this.xhr.response;
+    } else {
+      if (!this.supportsBinary) {
+        data = this.xhr.responseText;
+      } else {
+        data = 'ok';
+      }
+    }
+  } catch (e) {
+    this.onError(e);
+  }
+  if (null != data) {
+    this.onData(data);
+  }
+};
+
+/**
+ * Check if it has XDomainRequest.
+ *
+ * @api private
+ */
+
+Request.prototype.hasXDR = function(){
+  return 'undefined' !== typeof global.XDomainRequest && !this.xs && this.enablesXDR;
+};
+
+/**
+ * Aborts the request.
+ *
+ * @api public
+ */
+
+Request.prototype.abort = function(){
+  this.cleanup();
+};
+
+/**
+ * Aborts pending requests when unloading the window. This is needed to prevent
+ * memory leaks (e.g. when using IE) and to ensure that no spurious error is
+ * emitted.
+ */
+
+if (global.document) {
+  Request.requestsCount = 0;
+  Request.requests = {};
+  if (global.attachEvent) {
+    global.attachEvent('onunload', unloadHandler);
+  } else if (global.addEventListener) {
+    global.addEventListener('beforeunload', unloadHandler, false);
+  }
 }
-Item.prototype.run = function () {
-    this.fun.apply(null, this.array);
-};
-process.title = 'browser';
-process.browser = true;
-process.env = {};
-process.argv = [];
-process.version = ''; // empty string to avoid regexp issues
-process.versions = {};
 
-function noop() {}
+function unloadHandler() {
+  for (var i in Request.requests) {
+    if (Request.requests.hasOwnProperty(i)) {
+      Request.requests[i].abort();
+    }
+  }
+}
 
-process.on = noop;
-process.addListener = noop;
-process.once = noop;
-process.off = noop;
-process.removeListener = noop;
-process.removeAllListeners = noop;
-process.emit = noop;
+}).call(this,typeof global !== "undefined" ? global : typeof self !== "undefined" ? self : typeof window !== "undefined" ? window : {})
+},{"./polling":63,"component-emitter":53,"component-inherit":54,"debug":66,"xmlhttprequest":65}],63:[function(require,module,exports){
+/**
+ * Module dependencies.
+ */
 
-process.binding = function (name) {
-    throw new Error('process.binding is not supported');
+var Transport = require('../transport');
+var parseqs = require('parseqs');
+var parser = require('engine.io-parser');
+var inherit = require('component-inherit');
+var debug = require('debug')('engine.io-client:polling');
+
+/**
+ * Module exports.
+ */
+
+module.exports = Polling;
+
+/**
+ * Is XHR2 supported?
+ */
+
+var hasXHR2 = (function() {
+  var XMLHttpRequest = require('xmlhttprequest');
+  var xhr = new XMLHttpRequest({ xdomain: false });
+  return null != xhr.responseType;
+})();
+
+/**
+ * Polling interface.
+ *
+ * @param {Object} opts
+ * @api private
+ */
+
+function Polling(opts){
+  var forceBase64 = (opts && opts.forceBase64);
+  if (!hasXHR2 || forceBase64) {
+    this.supportsBinary = false;
+  }
+  Transport.call(this, opts);
+}
+
+/**
+ * Inherits from Transport.
+ */
+
+inherit(Polling, Transport);
+
+/**
+ * Transport name.
+ */
+
+Polling.prototype.name = 'polling';
+
+/**
+ * Opens the socket (triggers polling). We write a PING message to determine
+ * when the transport is open.
+ *
+ * @api private
+ */
+
+Polling.prototype.doOpen = function(){
+  this.poll();
 };
 
-process.cwd = function () { return '/' };
-process.chdir = function (dir) {
-    throw new Error('process.chdir is not supported');
-};
-process.umask = function() { return 0; };
+/**
+ * Pauses polling.
+ *
+ * @param {Function} callback upon buffers are flushed and transport is paused
+ * @api private
+ */
 
-},{}],47:[function(require,module,exports){
+Polling.prototype.pause = function(onPause){
+  var pending = 0;
+  var self = this;
+
+  this.readyState = 'pausing';
+
+  function pause(){
+    debug('paused');
+    self.readyState = 'paused';
+    onPause();
+  }
+
+  if (this.polling || !this.writable) {
+    var total = 0;
+
+    if (this.polling) {
+      debug('we are currently polling - waiting to pause');
+      total++;
+      this.once('pollComplete', function(){
+        debug('pre-pause polling complete');
+        --total || pause();
+      });
+    }
+
+    if (!this.writable) {
+      debug('we are currently writing - waiting to pause');
+      total++;
+      this.once('drain', function(){
+        debug('pre-pause writing complete');
+        --total || pause();
+      });
+    }
+  } else {
+    pause();
+  }
+};
+
+/**
+ * Starts polling cycle.
+ *
+ * @api public
+ */
+
+Polling.prototype.poll = function(){
+  debug('polling');
+  this.polling = true;
+  this.doPoll();
+  this.emit('poll');
+};
+
+/**
+ * Overloads onData to detect payloads.
+ *
+ * @api private
+ */
+
+Polling.prototype.onData = function(data){
+  var self = this;
+  debug('polling got data %s', data);
+  var callback = function(packet, index, total) {
+    // if its the first message we consider the transport open
+    if ('opening' == self.readyState) {
+      self.onOpen();
+    }
+
+    // if its a close packet, we close the ongoing requests
+    if ('close' == packet.type) {
+      self.onClose();
+      return false;
+    }
+
+    // otherwise bypass onData and handle the message
+    self.onPacket(packet);
+  };
+
+  // decode payload
+  parser.decodePayload(data, this.socket.binaryType, callback);
+
+  // if an event did not trigger closing
+  if ('closed' != this.readyState) {
+    // if we got data we're not polling
+    this.polling = false;
+    this.emit('pollComplete');
+
+    if ('open' == this.readyState) {
+      this.poll();
+    } else {
+      debug('ignoring poll - transport state "%s"', this.readyState);
+    }
+  }
+};
+
+/**
+ * For polling, send a close packet.
+ *
+ * @api private
+ */
+
+Polling.prototype.doClose = function(){
+  var self = this;
+
+  function close(){
+    debug('writing close packet');
+    self.write([{ type: 'close' }]);
+  }
+
+  if ('open' == this.readyState) {
+    debug('transport open - closing');
+    close();
+  } else {
+    // in case we're trying to close while
+    // handshaking is in progress (GH-164)
+    debug('transport not open - deferring close');
+    this.once('open', close);
+  }
+};
+
+/**
+ * Writes a packets payload.
+ *
+ * @param {Array} data packets
+ * @param {Function} drain callback
+ * @api private
+ */
+
+Polling.prototype.write = function(packets){
+  var self = this;
+  this.writable = false;
+  var callbackfn = function() {
+    self.writable = true;
+    self.emit('drain');
+  };
+
+  var self = this;
+  parser.encodePayload(packets, this.supportsBinary, function(data) {
+    self.doWrite(data, callbackfn);
+  });
+};
+
+/**
+ * Generates uri for connection.
+ *
+ * @api private
+ */
+
+Polling.prototype.uri = function(){
+  var query = this.query || {};
+  var schema = this.secure ? 'https' : 'http';
+  var port = '';
+
+  // cache busting is forced
+  if (false !== this.timestampRequests) {
+    query[this.timestampParam] = +new Date + '-' + Transport.timestamps++;
+  }
+
+  if (!this.supportsBinary && !query.sid) {
+    query.b64 = 1;
+  }
+
+  query = parseqs.encode(query);
+
+  // avoid port if default for schema
+  if (this.port && (('https' == schema && this.port != 443) ||
+     ('http' == schema && this.port != 80))) {
+    port = ':' + this.port;
+  }
+
+  // prepend ? to query
+  if (query.length) {
+    query = '?' + query;
+  }
+
+  return schema + '://' + this.hostname + port + this.path + query;
+};
+
+},{"../transport":59,"component-inherit":54,"debug":66,"engine.io-parser":69,"parseqs":101,"xmlhttprequest":65}],64:[function(require,module,exports){
+/**
+ * Module dependencies.
+ */
+
+var Transport = require('../transport');
+var parser = require('engine.io-parser');
+var parseqs = require('parseqs');
+var inherit = require('component-inherit');
+var debug = require('debug')('engine.io-client:websocket');
+
+/**
+ * `ws` exposes a WebSocket-compatible interface in
+ * Node, or the `WebSocket` or `MozWebSocket` globals
+ * in the browser.
+ */
+
+var WebSocket = require('ws');
+
+/**
+ * Module exports.
+ */
+
+module.exports = WS;
+
+/**
+ * WebSocket transport constructor.
+ *
+ * @api {Object} connection options
+ * @api public
+ */
+
+function WS(opts){
+  var forceBase64 = (opts && opts.forceBase64);
+  if (forceBase64) {
+    this.supportsBinary = false;
+  }
+  Transport.call(this, opts);
+}
+
+/**
+ * Inherits from Transport.
+ */
+
+inherit(WS, Transport);
+
+/**
+ * Transport name.
+ *
+ * @api public
+ */
+
+WS.prototype.name = 'websocket';
+
+/*
+ * WebSockets support binary
+ */
+
+WS.prototype.supportsBinary = true;
+
+/**
+ * Opens socket.
+ *
+ * @api private
+ */
+
+WS.prototype.doOpen = function(){
+  if (!this.check()) {
+    // let probe timeout
+    return;
+  }
+
+  var self = this;
+  var uri = this.uri();
+  var protocols = void(0);
+  var opts = { agent: this.agent };
+
+  // SSL options for Node.js client
+  opts.pfx = this.pfx;
+  opts.key = this.key;
+  opts.passphrase = this.passphrase;
+  opts.cert = this.cert;
+  opts.ca = this.ca;
+  opts.ciphers = this.ciphers;
+  opts.rejectUnauthorized = this.rejectUnauthorized;
+
+  this.ws = new WebSocket(uri, protocols, opts);
+
+  if (this.ws.binaryType === undefined) {
+    this.supportsBinary = false;
+  }
+
+  this.ws.binaryType = 'arraybuffer';
+  this.addEventListeners();
+};
+
+/**
+ * Adds event listeners to the socket
+ *
+ * @api private
+ */
+
+WS.prototype.addEventListeners = function(){
+  var self = this;
+
+  this.ws.onopen = function(){
+    self.onOpen();
+  };
+  this.ws.onclose = function(){
+    self.onClose();
+  };
+  this.ws.onmessage = function(ev){
+    self.onData(ev.data);
+  };
+  this.ws.onerror = function(e){
+    self.onError('websocket error', e);
+  };
+};
+
+/**
+ * Override `onData` to use a timer on iOS.
+ * See: https://gist.github.com/mloughran/2052006
+ *
+ * @api private
+ */
+
+if ('undefined' != typeof navigator
+  && /iPad|iPhone|iPod/i.test(navigator.userAgent)) {
+  WS.prototype.onData = function(data){
+    var self = this;
+    setTimeout(function(){
+      Transport.prototype.onData.call(self, data);
+    }, 0);
+  };
+}
+
+/**
+ * Writes data to socket.
+ *
+ * @param {Array} array of packets.
+ * @api private
+ */
+
+WS.prototype.write = function(packets){
+  var self = this;
+  this.writable = false;
+  // encodePacket efficient as it uses WS framing
+  // no need for encodePayload
+  for (var i = 0, l = packets.length; i < l; i++) {
+    parser.encodePacket(packets[i], this.supportsBinary, function(data) {
+      //Sometimes the websocket has already been closed but the browser didn't
+      //have a chance of informing us about it yet, in that case send will
+      //throw an error
+      try {
+        self.ws.send(data);
+      } catch (e){
+        debug('websocket closed before onclose event');
+      }
+    });
+  }
+
+  function ondrain() {
+    self.writable = true;
+    self.emit('drain');
+  }
+  // fake drain
+  // defer to next tick to allow Socket to clear writeBuffer
+  setTimeout(ondrain, 0);
+};
+
+/**
+ * Called upon close
+ *
+ * @api private
+ */
+
+WS.prototype.onClose = function(){
+  Transport.prototype.onClose.call(this);
+};
+
+/**
+ * Closes socket.
+ *
+ * @api private
+ */
+
+WS.prototype.doClose = function(){
+  if (typeof this.ws !== 'undefined') {
+    this.ws.close();
+  }
+};
+
+/**
+ * Generates uri for connection.
+ *
+ * @api private
+ */
+
+WS.prototype.uri = function(){
+  var query = this.query || {};
+  var schema = this.secure ? 'wss' : 'ws';
+  var port = '';
+
+  // avoid port if default for schema
+  if (this.port && (('wss' == schema && this.port != 443)
+    || ('ws' == schema && this.port != 80))) {
+    port = ':' + this.port;
+  }
+
+  // append timestamp to URI
+  if (this.timestampRequests) {
+    query[this.timestampParam] = +new Date;
+  }
+
+  // communicate binary support capabilities
+  if (!this.supportsBinary) {
+    query.b64 = 1;
+  }
+
+  query = parseqs.encode(query);
+
+  // prepend ? to query
+  if (query.length) {
+    query = '?' + query;
+  }
+
+  return schema + '://' + this.hostname + port + this.path + query;
+};
+
+/**
+ * Feature detection for WebSocket.
+ *
+ * @return {Boolean} whether this transport is available.
+ * @api public
+ */
+
+WS.prototype.check = function(){
+  return !!WebSocket && !('__initialize' in WebSocket && this.name === WS.prototype.name);
+};
+
+},{"../transport":59,"component-inherit":54,"debug":66,"engine.io-parser":69,"parseqs":101,"ws":129}],65:[function(require,module,exports){
+// browser shim for xmlhttprequest module
+var hasCORS = require('has-cors');
+
+module.exports = function(opts) {
+  var xdomain = opts.xdomain;
+
+  // scheme must be same when usign XDomainRequest
+  // http://blogs.msdn.com/b/ieinternals/archive/2010/05/13/xdomainrequest-restrictions-limitations-and-workarounds.aspx
+  var xscheme = opts.xscheme;
+
+  // XDomainRequest has a flow of not sending cookie, therefore it should be disabled as a default.
+  // https://github.com/Automattic/engine.io-client/pull/217
+  var enablesXDR = opts.enablesXDR;
+
+  // XMLHttpRequest can be disabled on IE
+  try {
+    if ('undefined' != typeof XMLHttpRequest && (!xdomain || hasCORS)) {
+      return new XMLHttpRequest();
+    }
+  } catch (e) { }
+
+  // Use XDomainRequest for IE8 if enablesXDR is true
+  // because loading bar keeps flashing when using jsonp-polling
+  // https://github.com/yujiosaka/socke.io-ie8-loading-example
+  try {
+    if ('undefined' != typeof XDomainRequest && !xscheme && enablesXDR) {
+      return new XDomainRequest();
+    }
+  } catch (e) { }
+
+  if (!xdomain) {
+    try {
+      return new ActiveXObject('Microsoft.XMLHTTP');
+    } catch(e) { }
+  }
+}
+
+},{"has-cors":75}],66:[function(require,module,exports){
+
+/**
+ * This is the web browser implementation of `debug()`.
+ *
+ * Expose `debug()` as the module.
+ */
+
+exports = module.exports = require('./debug');
+exports.log = log;
+exports.formatArgs = formatArgs;
+exports.save = save;
+exports.load = load;
+exports.useColors = useColors;
+
+/**
+ * Colors.
+ */
+
+exports.colors = [
+  'lightseagreen',
+  'forestgreen',
+  'goldenrod',
+  'dodgerblue',
+  'darkorchid',
+  'crimson'
+];
+
+/**
+ * Currently only WebKit-based Web Inspectors, Firefox >= v31,
+ * and the Firebug extension (any Firefox version) are known
+ * to support "%c" CSS customizations.
+ *
+ * TODO: add a `localStorage` variable to explicitly enable/disable colors
+ */
+
+function useColors() {
+  // is webkit? http://stackoverflow.com/a/16459606/376773
+  return ('WebkitAppearance' in document.documentElement.style) ||
+    // is firebug? http://stackoverflow.com/a/398120/376773
+    (window.console && (console.firebug || (console.exception && console.table))) ||
+    // is firefox >= v31?
+    // https://developer.mozilla.org/en-US/docs/Tools/Web_Console#Styling_messages
+    (navigator.userAgent.toLowerCase().match(/firefox\/(\d+)/) && parseInt(RegExp.$1, 10) >= 31);
+}
+
+/**
+ * Map %j to `JSON.stringify()`, since no Web Inspectors do that by default.
+ */
+
+exports.formatters.j = function(v) {
+  return JSON.stringify(v);
+};
+
+
+/**
+ * Colorize log arguments if enabled.
+ *
+ * @api public
+ */
+
+function formatArgs() {
+  var args = arguments;
+  var useColors = this.useColors;
+
+  args[0] = (useColors ? '%c' : '')
+    + this.namespace
+    + (useColors ? ' %c' : ' ')
+    + args[0]
+    + (useColors ? '%c ' : ' ')
+    + '+' + exports.humanize(this.diff);
+
+  if (!useColors) return args;
+
+  var c = 'color: ' + this.color;
+  args = [args[0], c, 'color: inherit'].concat(Array.prototype.slice.call(args, 1));
+
+  // the final "%c" is somewhat tricky, because there could be other
+  // arguments passed either before or after the %c, so we need to
+  // figure out the correct index to insert the CSS into
+  var index = 0;
+  var lastC = 0;
+  args[0].replace(/%[a-z%]/g, function(match) {
+    if ('%%' === match) return;
+    index++;
+    if ('%c' === match) {
+      // we only are interested in the *last* %c
+      // (the user may have provided their own)
+      lastC = index;
+    }
+  });
+
+  args.splice(lastC, 0, c);
+  return args;
+}
+
+/**
+ * Invokes `console.log()` when available.
+ * No-op when `console.log` is not a "function".
+ *
+ * @api public
+ */
+
+function log() {
+  // This hackery is required for IE8,
+  // where the `console.log` function doesn't have 'apply'
+  return 'object' == typeof console
+    && 'function' == typeof console.log
+    && Function.prototype.apply.call(console.log, console, arguments);
+}
+
+/**
+ * Save `namespaces`.
+ *
+ * @param {String} namespaces
+ * @api private
+ */
+
+function save(namespaces) {
+  try {
+    if (null == namespaces) {
+      localStorage.removeItem('debug');
+    } else {
+      localStorage.debug = namespaces;
+    }
+  } catch(e) {}
+}
+
+/**
+ * Load `namespaces`.
+ *
+ * @return {String} returns the previously persisted debug modes
+ * @api private
+ */
+
+function load() {
+  var r;
+  try {
+    r = localStorage.debug;
+  } catch(e) {}
+  return r;
+}
+
+/**
+ * Enable namespaces listed in `localStorage.debug` initially.
+ */
+
+exports.enable(load());
+
+},{"./debug":67}],67:[function(require,module,exports){
+
+/**
+ * This is the common logic for both the Node.js and web browser
+ * implementations of `debug()`.
+ *
+ * Expose `debug()` as the module.
+ */
+
+exports = module.exports = debug;
+exports.coerce = coerce;
+exports.disable = disable;
+exports.enable = enable;
+exports.enabled = enabled;
+exports.humanize = require('ms');
+
+/**
+ * The currently active debug mode names, and names to skip.
+ */
+
+exports.names = [];
+exports.skips = [];
+
+/**
+ * Map of special "%n" handling functions, for the debug "format" argument.
+ *
+ * Valid key names are a single, lowercased letter, i.e. "n".
+ */
+
+exports.formatters = {};
+
+/**
+ * Previously assigned color.
+ */
+
+var prevColor = 0;
+
+/**
+ * Previous log timestamp.
+ */
+
+var prevTime;
+
+/**
+ * Select a color.
+ *
+ * @return {Number}
+ * @api private
+ */
+
+function selectColor() {
+  return exports.colors[prevColor++ % exports.colors.length];
+}
+
+/**
+ * Create a debugger with the given `namespace`.
+ *
+ * @param {String} namespace
+ * @return {Function}
+ * @api public
+ */
+
+function debug(namespace) {
+
+  // define the `disabled` version
+  function disabled() {
+  }
+  disabled.enabled = false;
+
+  // define the `enabled` version
+  function enabled() {
+
+    var self = enabled;
+
+    // set `diff` timestamp
+    var curr = +new Date();
+    var ms = curr - (prevTime || curr);
+    self.diff = ms;
+    self.prev = prevTime;
+    self.curr = curr;
+    prevTime = curr;
+
+    // add the `color` if not set
+    if (null == self.useColors) self.useColors = exports.useColors();
+    if (null == self.color && self.useColors) self.color = selectColor();
+
+    var args = Array.prototype.slice.call(arguments);
+
+    args[0] = exports.coerce(args[0]);
+
+    if ('string' !== typeof args[0]) {
+      // anything else let's inspect with %o
+      args = ['%o'].concat(args);
+    }
+
+    // apply any `formatters` transformations
+    var index = 0;
+    args[0] = args[0].replace(/%([a-z%])/g, function(match, format) {
+      // if we encounter an escaped % then don't increase the array index
+      if (match === '%%') return match;
+      index++;
+      var formatter = exports.formatters[format];
+      if ('function' === typeof formatter) {
+        var val = args[index];
+        match = formatter.call(self, val);
+
+        // now we need to remove `args[index]` since it's inlined in the `format`
+        args.splice(index, 1);
+        index--;
+      }
+      return match;
+    });
+
+    if ('function' === typeof exports.formatArgs) {
+      args = exports.formatArgs.apply(self, args);
+    }
+    var logFn = enabled.log || exports.log || console.log.bind(console);
+    logFn.apply(self, args);
+  }
+  enabled.enabled = true;
+
+  var fn = exports.enabled(namespace) ? enabled : disabled;
+
+  fn.namespace = namespace;
+
+  return fn;
+}
+
+/**
+ * Enables a debug mode by namespaces. This can include modes
+ * separated by a colon and wildcards.
+ *
+ * @param {String} namespaces
+ * @api public
+ */
+
+function enable(namespaces) {
+  exports.save(namespaces);
+
+  var split = (namespaces || '').split(/[\s,]+/);
+  var len = split.length;
+
+  for (var i = 0; i < len; i++) {
+    if (!split[i]) continue; // ignore empty strings
+    namespaces = split[i].replace(/\*/g, '.*?');
+    if (namespaces[0] === '-') {
+      exports.skips.push(new RegExp('^' + namespaces.substr(1) + '$'));
+    } else {
+      exports.names.push(new RegExp('^' + namespaces + '$'));
+    }
+  }
+}
+
+/**
+ * Disable debug output.
+ *
+ * @api public
+ */
+
+function disable() {
+  exports.enable('');
+}
+
+/**
+ * Returns true if the given mode name is enabled, false otherwise.
+ *
+ * @param {String} name
+ * @return {Boolean}
+ * @api public
+ */
+
+function enabled(name) {
+  var i, len;
+  for (i = 0, len = exports.skips.length; i < len; i++) {
+    if (exports.skips[i].test(name)) {
+      return false;
+    }
+  }
+  for (i = 0, len = exports.names.length; i < len; i++) {
+    if (exports.names[i].test(name)) {
+      return true;
+    }
+  }
+  return false;
+}
+
+/**
+ * Coerce `val`.
+ *
+ * @param {Mixed} val
+ * @return {Mixed}
+ * @api private
+ */
+
+function coerce(val) {
+  if (val instanceof Error) return val.stack || val.message;
+  return val;
+}
+
+},{"ms":82}],68:[function(require,module,exports){
+/**
+ * Parses an URI
+ *
+ * @author Steven Levithan <stevenlevithan.com> (MIT license)
+ * @api private
+ */
+
+var re = /^(?:(?![^:@]+:[^:@\/]*@)(http|https|ws|wss):\/\/)?((?:(([^:@]*)(?::([^:@]*))?)?@)?((?:[a-f0-9]{0,4}:){2,7}[a-f0-9]{0,4}|[^:\/?#]*)(?::(\d*))?)(((\/(?:[^?#](?![^?#\/]*\.[^?#\/.]+(?:[?#]|$)))*\/?)?([^?#\/]*))(?:\?([^#]*))?(?:#(.*))?)/;
+
+var parts = [
+    'source', 'protocol', 'authority', 'userInfo', 'user', 'password', 'host', 'port', 'relative', 'path', 'directory', 'file', 'query', 'anchor'
+];
+
+module.exports = function parseuri(str) {
+    var src = str,
+        b = str.indexOf('['),
+        e = str.indexOf(']');
+
+    if (b != -1 && e != -1) {
+        str = str.substring(0, b) + str.substring(b, e).replace(/:/g, ';') + str.substring(e, str.length);
+    }
+
+    var m = re.exec(str || ''),
+        uri = {},
+        i = 14;
+
+    while (i--) {
+        uri[parts[i]] = m[i] || '';
+    }
+
+    if (b != -1 && e != -1) {
+        uri.source = src;
+        uri.host = uri.host.substring(1, uri.host.length - 1).replace(/;/g, ':');
+        uri.authority = uri.authority.replace('[', '').replace(']', '').replace(/;/g, ':');
+        uri.ipv6uri = true;
+    }
+
+    return uri;
+};
+
+},{}],69:[function(require,module,exports){
+(function (global){
+/**
+ * Module dependencies.
+ */
+
+var keys = require('./keys');
+var hasBinary = require('has-binary');
+var sliceBuffer = require('arraybuffer.slice');
+var base64encoder = require('base64-arraybuffer');
+var after = require('after');
+var utf8 = require('utf8');
+
+/**
+ * Check if we are running an android browser. That requires us to use
+ * ArrayBuffer with polling transports...
+ *
+ * http://ghinda.net/jpeg-blob-ajax-android/
+ */
+
+var isAndroid = navigator.userAgent.match(/Android/i);
+
+/**
+ * Check if we are running in PhantomJS.
+ * Uploading a Blob with PhantomJS does not work correctly, as reported here:
+ * https://github.com/ariya/phantomjs/issues/11395
+ * @type boolean
+ */
+var isPhantomJS = /PhantomJS/i.test(navigator.userAgent);
+
+/**
+ * When true, avoids using Blobs to encode payloads.
+ * @type boolean
+ */
+var dontSendBlobs = isAndroid || isPhantomJS;
+
+/**
+ * Current protocol version.
+ */
+
+exports.protocol = 3;
+
+/**
+ * Packet types.
+ */
+
+var packets = exports.packets = {
+    open:     0    // non-ws
+  , close:    1    // non-ws
+  , ping:     2
+  , pong:     3
+  , message:  4
+  , upgrade:  5
+  , noop:     6
+};
+
+var packetslist = keys(packets);
+
+/**
+ * Premade error packet.
+ */
+
+var err = { type: 'error', data: 'parser error' };
+
+/**
+ * Create a blob api even for blob builder when vendor prefixes exist
+ */
+
+var Blob = require('blob');
+
+/**
+ * Encodes a packet.
+ *
+ *     <packet type id> [ <data> ]
+ *
+ * Example:
+ *
+ *     5hello world
+ *     3
+ *     4
+ *
+ * Binary is encoded in an identical principle
+ *
+ * @api private
+ */
+
+exports.encodePacket = function (packet, supportsBinary, utf8encode, callback) {
+  if ('function' == typeof supportsBinary) {
+    callback = supportsBinary;
+    supportsBinary = false;
+  }
+
+  if ('function' == typeof utf8encode) {
+    callback = utf8encode;
+    utf8encode = null;
+  }
+
+  var data = (packet.data === undefined)
+    ? undefined
+    : packet.data.buffer || packet.data;
+
+  if (global.ArrayBuffer && data instanceof ArrayBuffer) {
+    return encodeArrayBuffer(packet, supportsBinary, callback);
+  } else if (Blob && data instanceof global.Blob) {
+    return encodeBlob(packet, supportsBinary, callback);
+  }
+
+  // might be an object with { base64: true, data: dataAsBase64String }
+  if (data && data.base64) {
+    return encodeBase64Object(packet, callback);
+  }
+
+  // Sending data as a utf-8 string
+  var encoded = packets[packet.type];
+
+  // data fragment is optional
+  if (undefined !== packet.data) {
+    encoded += utf8encode ? utf8.encode(String(packet.data)) : String(packet.data);
+  }
+
+  return callback('' + encoded);
+
+};
+
+function encodeBase64Object(packet, callback) {
+  // packet data is an object { base64: true, data: dataAsBase64String }
+  var message = 'b' + exports.packets[packet.type] + packet.data.data;
+  return callback(message);
+}
+
+/**
+ * Encode packet helpers for binary types
+ */
+
+function encodeArrayBuffer(packet, supportsBinary, callback) {
+  if (!supportsBinary) {
+    return exports.encodeBase64Packet(packet, callback);
+  }
+
+  var data = packet.data;
+  var contentArray = new Uint8Array(data);
+  var resultBuffer = new Uint8Array(1 + data.byteLength);
+
+  resultBuffer[0] = packets[packet.type];
+  for (var i = 0; i < contentArray.length; i++) {
+    resultBuffer[i+1] = contentArray[i];
+  }
+
+  return callback(resultBuffer.buffer);
+}
+
+function encodeBlobAsArrayBuffer(packet, supportsBinary, callback) {
+  if (!supportsBinary) {
+    return exports.encodeBase64Packet(packet, callback);
+  }
+
+  var fr = new FileReader();
+  fr.onload = function() {
+    packet.data = fr.result;
+    exports.encodePacket(packet, supportsBinary, true, callback);
+  };
+  return fr.readAsArrayBuffer(packet.data);
+}
+
+function encodeBlob(packet, supportsBinary, callback) {
+  if (!supportsBinary) {
+    return exports.encodeBase64Packet(packet, callback);
+  }
+
+  if (dontSendBlobs) {
+    return encodeBlobAsArrayBuffer(packet, supportsBinary, callback);
+  }
+
+  var length = new Uint8Array(1);
+  length[0] = packets[packet.type];
+  var blob = new Blob([length.buffer, packet.data]);
+
+  return callback(blob);
+}
+
+/**
+ * Encodes a packet with binary data in a base64 string
+ *
+ * @param {Object} packet, has `type` and `data`
+ * @return {String} base64 encoded message
+ */
+
+exports.encodeBase64Packet = function(packet, callback) {
+  var message = 'b' + exports.packets[packet.type];
+  if (Blob && packet.data instanceof Blob) {
+    var fr = new FileReader();
+    fr.onload = function() {
+      var b64 = fr.result.split(',')[1];
+      callback(message + b64);
+    };
+    return fr.readAsDataURL(packet.data);
+  }
+
+  var b64data;
+  try {
+    b64data = String.fromCharCode.apply(null, new Uint8Array(packet.data));
+  } catch (e) {
+    // iPhone Safari doesn't let you apply with typed arrays
+    var typed = new Uint8Array(packet.data);
+    var basic = new Array(typed.length);
+    for (var i = 0; i < typed.length; i++) {
+      basic[i] = typed[i];
+    }
+    b64data = String.fromCharCode.apply(null, basic);
+  }
+  message += global.btoa(b64data);
+  return callback(message);
+};
+
+/**
+ * Decodes a packet. Changes format to Blob if requested.
+ *
+ * @return {Object} with `type` and `data` (if any)
+ * @api private
+ */
+
+exports.decodePacket = function (data, binaryType, utf8decode) {
+  // String data
+  if (typeof data == 'string' || data === undefined) {
+    if (data.charAt(0) == 'b') {
+      return exports.decodeBase64Packet(data.substr(1), binaryType);
+    }
+
+    if (utf8decode) {
+      try {
+        data = utf8.decode(data);
+      } catch (e) {
+        return err;
+      }
+    }
+    var type = data.charAt(0);
+
+    if (Number(type) != type || !packetslist[type]) {
+      return err;
+    }
+
+    if (data.length > 1) {
+      return { type: packetslist[type], data: data.substring(1) };
+    } else {
+      return { type: packetslist[type] };
+    }
+  }
+
+  var asArray = new Uint8Array(data);
+  var type = asArray[0];
+  var rest = sliceBuffer(data, 1);
+  if (Blob && binaryType === 'blob') {
+    rest = new Blob([rest]);
+  }
+  return { type: packetslist[type], data: rest };
+};
+
+/**
+ * Decodes a packet encoded in a base64 string
+ *
+ * @param {String} base64 encoded message
+ * @return {Object} with `type` and `data` (if any)
+ */
+
+exports.decodeBase64Packet = function(msg, binaryType) {
+  var type = packetslist[msg.charAt(0)];
+  if (!global.ArrayBuffer) {
+    return { type: type, data: { base64: true, data: msg.substr(1) } };
+  }
+
+  var data = base64encoder.decode(msg.substr(1));
+
+  if (binaryType === 'blob' && Blob) {
+    data = new Blob([data]);
+  }
+
+  return { type: type, data: data };
+};
+
+/**
+ * Encodes multiple messages (payload).
+ *
+ *     <length>:data
+ *
+ * Example:
+ *
+ *     11:hello world2:hi
+ *
+ * If any contents are binary, they will be encoded as base64 strings. Base64
+ * encoded strings are marked with a b before the length specifier
+ *
+ * @param {Array} packets
+ * @api private
+ */
+
+exports.encodePayload = function (packets, supportsBinary, callback) {
+  if (typeof supportsBinary == 'function') {
+    callback = supportsBinary;
+    supportsBinary = null;
+  }
+
+  var isBinary = hasBinary(packets);
+
+  if (supportsBinary && isBinary) {
+    if (Blob && !dontSendBlobs) {
+      return exports.encodePayloadAsBlob(packets, callback);
+    }
+
+    return exports.encodePayloadAsArrayBuffer(packets, callback);
+  }
+
+  if (!packets.length) {
+    return callback('0:');
+  }
+
+  function setLengthHeader(message) {
+    return message.length + ':' + message;
+  }
+
+  function encodeOne(packet, doneCallback) {
+    exports.encodePacket(packet, !isBinary ? false : supportsBinary, true, function(message) {
+      doneCallback(null, setLengthHeader(message));
+    });
+  }
+
+  map(packets, encodeOne, function(err, results) {
+    return callback(results.join(''));
+  });
+};
+
+/**
+ * Async array map using after
+ */
+
+function map(ary, each, done) {
+  var result = new Array(ary.length);
+  var next = after(ary.length, done);
+
+  var eachWithIndex = function(i, el, cb) {
+    each(el, function(error, msg) {
+      result[i] = msg;
+      cb(error, result);
+    });
+  };
+
+  for (var i = 0; i < ary.length; i++) {
+    eachWithIndex(i, ary[i], next);
+  }
+}
+
+/*
+ * Decodes data when a payload is maybe expected. Possible binary contents are
+ * decoded from their base64 representation
+ *
+ * @param {String} data, callback method
+ * @api public
+ */
+
+exports.decodePayload = function (data, binaryType, callback) {
+  if (typeof data != 'string') {
+    return exports.decodePayloadAsBinary(data, binaryType, callback);
+  }
+
+  if (typeof binaryType === 'function') {
+    callback = binaryType;
+    binaryType = null;
+  }
+
+  var packet;
+  if (data == '') {
+    // parser error - ignoring payload
+    return callback(err, 0, 1);
+  }
+
+  var length = ''
+    , n, msg;
+
+  for (var i = 0, l = data.length; i < l; i++) {
+    var chr = data.charAt(i);
+
+    if (':' != chr) {
+      length += chr;
+    } else {
+      if ('' == length || (length != (n = Number(length)))) {
+        // parser error - ignoring payload
+        return callback(err, 0, 1);
+      }
+
+      msg = data.substr(i + 1, n);
+
+      if (length != msg.length) {
+        // parser error - ignoring payload
+        return callback(err, 0, 1);
+      }
+
+      if (msg.length) {
+        packet = exports.decodePacket(msg, binaryType, true);
+
+        if (err.type == packet.type && err.data == packet.data) {
+          // parser error in individual packet - ignoring payload
+          return callback(err, 0, 1);
+        }
+
+        var ret = callback(packet, i + n, l);
+        if (false === ret) return;
+      }
+
+      // advance cursor
+      i += n;
+      length = '';
+    }
+  }
+
+  if (length != '') {
+    // parser error - ignoring payload
+    return callback(err, 0, 1);
+  }
+
+};
+
+/**
+ * Encodes multiple messages (payload) as binary.
+ *
+ * <1 = binary, 0 = string><number from 0-9><number from 0-9>[...]<number
+ * 255><data>
+ *
+ * Example:
+ * 1 3 255 1 2 3, if the binary contents are interpreted as 8 bit integers
+ *
+ * @param {Array} packets
+ * @return {ArrayBuffer} encoded payload
+ * @api private
+ */
+
+exports.encodePayloadAsArrayBuffer = function(packets, callback) {
+  if (!packets.length) {
+    return callback(new ArrayBuffer(0));
+  }
+
+  function encodeOne(packet, doneCallback) {
+    exports.encodePacket(packet, true, true, function(data) {
+      return doneCallback(null, data);
+    });
+  }
+
+  map(packets, encodeOne, function(err, encodedPackets) {
+    var totalLength = encodedPackets.reduce(function(acc, p) {
+      var len;
+      if (typeof p === 'string'){
+        len = p.length;
+      } else {
+        len = p.byteLength;
+      }
+      return acc + len.toString().length + len + 2; // string/binary identifier + separator = 2
+    }, 0);
+
+    var resultArray = new Uint8Array(totalLength);
+
+    var bufferIndex = 0;
+    encodedPackets.forEach(function(p) {
+      var isString = typeof p === 'string';
+      var ab = p;
+      if (isString) {
+        var view = new Uint8Array(p.length);
+        for (var i = 0; i < p.length; i++) {
+          view[i] = p.charCodeAt(i);
+        }
+        ab = view.buffer;
+      }
+
+      if (isString) { // not true binary
+        resultArray[bufferIndex++] = 0;
+      } else { // true binary
+        resultArray[bufferIndex++] = 1;
+      }
+
+      var lenStr = ab.byteLength.toString();
+      for (var i = 0; i < lenStr.length; i++) {
+        resultArray[bufferIndex++] = parseInt(lenStr[i]);
+      }
+      resultArray[bufferIndex++] = 255;
+
+      var view = new Uint8Array(ab);
+      for (var i = 0; i < view.length; i++) {
+        resultArray[bufferIndex++] = view[i];
+      }
+    });
+
+    return callback(resultArray.buffer);
+  });
+};
+
+/**
+ * Encode as Blob
+ */
+
+exports.encodePayloadAsBlob = function(packets, callback) {
+  function encodeOne(packet, doneCallback) {
+    exports.encodePacket(packet, true, true, function(encoded) {
+      var binaryIdentifier = new Uint8Array(1);
+      binaryIdentifier[0] = 1;
+      if (typeof encoded === 'string') {
+        var view = new Uint8Array(encoded.length);
+        for (var i = 0; i < encoded.length; i++) {
+          view[i] = encoded.charCodeAt(i);
+        }
+        encoded = view.buffer;
+        binaryIdentifier[0] = 0;
+      }
+
+      var len = (encoded instanceof ArrayBuffer)
+        ? encoded.byteLength
+        : encoded.size;
+
+      var lenStr = len.toString();
+      var lengthAry = new Uint8Array(lenStr.length + 1);
+      for (var i = 0; i < lenStr.length; i++) {
+        lengthAry[i] = parseInt(lenStr[i]);
+      }
+      lengthAry[lenStr.length] = 255;
+
+      if (Blob) {
+        var blob = new Blob([binaryIdentifier.buffer, lengthAry.buffer, encoded]);
+        doneCallback(null, blob);
+      }
+    });
+  }
+
+  map(packets, encodeOne, function(err, results) {
+    return callback(new Blob(results));
+  });
+};
+
+/*
+ * Decodes data when a payload is maybe expected. Strings are decoded by
+ * interpreting each byte as a key code for entries marked to start with 0. See
+ * description of encodePayloadAsBinary
+ *
+ * @param {ArrayBuffer} data, callback method
+ * @api public
+ */
+
+exports.decodePayloadAsBinary = function (data, binaryType, callback) {
+  if (typeof binaryType === 'function') {
+    callback = binaryType;
+    binaryType = null;
+  }
+
+  var bufferTail = data;
+  var buffers = [];
+
+  var numberTooLong = false;
+  while (bufferTail.byteLength > 0) {
+    var tailArray = new Uint8Array(bufferTail);
+    var isString = tailArray[0] === 0;
+    var msgLength = '';
+
+    for (var i = 1; ; i++) {
+      if (tailArray[i] == 255) break;
+
+      if (msgLength.length > 310) {
+        numberTooLong = true;
+        break;
+      }
+
+      msgLength += tailArray[i];
+    }
+
+    if(numberTooLong) return callback(err, 0, 1);
+
+    bufferTail = sliceBuffer(bufferTail, 2 + msgLength.length);
+    msgLength = parseInt(msgLength);
+
+    var msg = sliceBuffer(bufferTail, 0, msgLength);
+    if (isString) {
+      try {
+        msg = String.fromCharCode.apply(null, new Uint8Array(msg));
+      } catch (e) {
+        // iPhone Safari doesn't let you apply to typed arrays
+        var typed = new Uint8Array(msg);
+        msg = '';
+        for (var i = 0; i < typed.length; i++) {
+          msg += String.fromCharCode(typed[i]);
+        }
+      }
+    }
+
+    buffers.push(msg);
+    bufferTail = sliceBuffer(bufferTail, msgLength);
+  }
+
+  var total = buffers.length;
+  buffers.forEach(function(buffer, i) {
+    callback(exports.decodePacket(buffer, binaryType, true), i, total);
+  });
+};
+
+}).call(this,typeof global !== "undefined" ? global : typeof self !== "undefined" ? self : typeof window !== "undefined" ? window : {})
+},{"./keys":70,"after":45,"arraybuffer.slice":46,"base64-arraybuffer":49,"blob":50,"has-binary":71,"utf8":128}],70:[function(require,module,exports){
+
+/**
+ * Gets the keys for an object.
+ *
+ * @return {Array} keys
+ * @api private
+ */
+
+module.exports = Object.keys || function keys (obj){
+  var arr = [];
+  var has = Object.prototype.hasOwnProperty;
+
+  for (var i in obj) {
+    if (has.call(obj, i)) {
+      arr.push(i);
+    }
+  }
+  return arr;
+};
+
+},{}],71:[function(require,module,exports){
+(function (global){
+
+/*
+ * Module requirements.
+ */
+
+var isArray = require('isarray');
+
+/**
+ * Module exports.
+ */
+
+module.exports = hasBinary;
+
+/**
+ * Checks for binary data.
+ *
+ * Right now only Buffer and ArrayBuffer are supported..
+ *
+ * @param {Object} anything
+ * @api public
+ */
+
+function hasBinary(data) {
+
+  function _hasBinary(obj) {
+    if (!obj) return false;
+
+    if ( (global.Buffer && global.Buffer.isBuffer(obj)) ||
+         (global.ArrayBuffer && obj instanceof ArrayBuffer) ||
+         (global.Blob && obj instanceof Blob) ||
+         (global.File && obj instanceof File)
+        ) {
+      return true;
+    }
+
+    if (isArray(obj)) {
+      for (var i = 0; i < obj.length; i++) {
+          if (_hasBinary(obj[i])) {
+              return true;
+          }
+      }
+    } else if (obj && 'object' == typeof obj) {
+      if (obj.toJSON) {
+        obj = obj.toJSON();
+      }
+
+      for (var key in obj) {
+        if (obj.hasOwnProperty(key) && _hasBinary(obj[key])) {
+          return true;
+        }
+      }
+    }
+
+    return false;
+  }
+
+  return _hasBinary(data);
+}
+
+}).call(this,typeof global !== "undefined" ? global : typeof self !== "undefined" ? self : typeof window !== "undefined" ? window : {})
+},{"isarray":77}],72:[function(require,module,exports){
 (function (process,global){
 /*!
  * @overview es6-promise - a tiny implementation of Promises/A+.
@@ -15755,7 +19509,120 @@ process.umask = function() { return 0; };
 
 
 }).call(this,require('_process'),typeof global !== "undefined" ? global : typeof self !== "undefined" ? self : typeof window !== "undefined" ? window : {})
-},{"_process":46}],48:[function(require,module,exports){
+},{"_process":103}],73:[function(require,module,exports){
+
+/**
+ * Returns `this`. Execute this without a "context" (i.e. without it being
+ * attached to an object of the left-hand side), and `this` points to the
+ * "global" scope of the current JS execution.
+ */
+
+module.exports = (function () { return this; })();
+
+},{}],74:[function(require,module,exports){
+(function (global){
+
+/*
+ * Module requirements.
+ */
+
+var isArray = require('isarray');
+
+/**
+ * Module exports.
+ */
+
+module.exports = hasBinary;
+
+/**
+ * Checks for binary data.
+ *
+ * Right now only Buffer and ArrayBuffer are supported..
+ *
+ * @param {Object} anything
+ * @api public
+ */
+
+function hasBinary(data) {
+
+  function _hasBinary(obj) {
+    if (!obj) return false;
+
+    if ( (global.Buffer && global.Buffer.isBuffer(obj)) ||
+         (global.ArrayBuffer && obj instanceof ArrayBuffer) ||
+         (global.Blob && obj instanceof Blob) ||
+         (global.File && obj instanceof File)
+        ) {
+      return true;
+    }
+
+    if (isArray(obj)) {
+      for (var i = 0; i < obj.length; i++) {
+          if (_hasBinary(obj[i])) {
+              return true;
+          }
+      }
+    } else if (obj && 'object' == typeof obj) {
+      if (obj.toJSON) {
+        obj = obj.toJSON();
+      }
+
+      for (var key in obj) {
+        if (Object.prototype.hasOwnProperty.call(obj, key) && _hasBinary(obj[key])) {
+          return true;
+        }
+      }
+    }
+
+    return false;
+  }
+
+  return _hasBinary(data);
+}
+
+}).call(this,typeof global !== "undefined" ? global : typeof self !== "undefined" ? self : typeof window !== "undefined" ? window : {})
+},{"isarray":77}],75:[function(require,module,exports){
+
+/**
+ * Module dependencies.
+ */
+
+var global = require('global');
+
+/**
+ * Module exports.
+ *
+ * Logic borrowed from Modernizr:
+ *
+ *   - https://github.com/Modernizr/Modernizr/blob/master/feature-detects/cors.js
+ */
+
+try {
+  module.exports = 'XMLHttpRequest' in global &&
+    'withCredentials' in new global.XMLHttpRequest();
+} catch (err) {
+  // if XMLHttp support is disabled in IE then it will throw
+  // when trying to create
+  module.exports = false;
+}
+
+},{"global":73}],76:[function(require,module,exports){
+
+var indexOf = [].indexOf;
+
+module.exports = function(arr, obj){
+  if (indexOf) return arr.indexOf(obj);
+  for (var i = 0; i < arr.length; ++i) {
+    if (arr[i] === obj) return i;
+  }
+  return -1;
+};
+},{}],77:[function(require,module,exports){
+module.exports = Array.isArray || function (arr) {
+  return Object.prototype.toString.call(arr) == '[object Array]';
+};
+
+},{}],78:[function(require,module,exports){
 /* Copyright @ 2015 Atlassian Pty Ltd
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
@@ -15899,7 +19766,7 @@ Logger.levels = {
     ERROR: "error"
 };
 
-},{}],49:[function(require,module,exports){
+},{}],79:[function(require,module,exports){
 /* Copyright @ 2015 Atlassian Pty Ltd
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
@@ -15984,7 +19851,870 @@ module.exports = {
     levels: Logger.levels
 };
 
-},{"./Logger":48}],50:[function(require,module,exports){
+},{"./Logger":78}],80:[function(require,module,exports){
+/*! JSON v3.2.6 | http://bestiejs.github.io/json3 | Copyright 2012-2013, Kit Cambridge | http://kit.mit-license.org */
+;(function (window) {
+  // Convenience aliases.
+  var getClass = {}.toString, isProperty, forEach, undef;
+
+  // Detect the `define` function exposed by asynchronous module loaders. The
+  // strict `define` check is necessary for compatibility with `r.js`.
+  var isLoader = typeof define === "function" && define.amd;
+
+  // Detect native implementations.
+  var nativeJSON = typeof JSON == "object" && JSON;
+
+  // Set up the JSON 3 namespace, preferring the CommonJS `exports` object if
+  // available.
+  var JSON3 = typeof exports == "object" && exports && !exports.nodeType && exports;
+
+  if (JSON3 && nativeJSON) {
+    // Explicitly delegate to the native `stringify` and `parse`
+    // implementations in CommonJS environments.
+    JSON3.stringify = nativeJSON.stringify;
+    JSON3.parse = nativeJSON.parse;
+  } else {
+    // Export for web browsers, JavaScript engines, and asynchronous module
+    // loaders, using the global `JSON` object if available.
+    JSON3 = window.JSON = nativeJSON || {};
+  }
+
+  // Test the `Date#getUTC*` methods. Based on work by @Yaffle.
+  var isExtended = new Date(-3509827334573292);
+  try {
+    // The `getUTCFullYear`, `Month`, and `Date` methods return nonsensical
+    // results for certain dates in Opera >= 10.53.
+    isExtended = isExtended.getUTCFullYear() == -109252 && isExtended.getUTCMonth() === 0 && isExtended.getUTCDate() === 1 &&
+      // Safari < 2.0.2 stores the internal millisecond time value correctly,
+      // but clips the values returned by the date methods to the range of
+      // signed 32-bit integers ([-2 ** 31, 2 ** 31 - 1]).
+      isExtended.getUTCHours() == 10 && isExtended.getUTCMinutes() == 37 && isExtended.getUTCSeconds() == 6 && isExtended.getUTCMilliseconds() == 708;
+  } catch (exception) {}
+
+  // Internal: Determines whether the native `JSON.stringify` and `parse`
+  // implementations are spec-compliant. Based on work by Ken Snyder.
+  function has(name) {
+    if (has[name] !== undef) {
+      // Return cached feature test result.
+      return has[name];
+    }
+
+    var isSupported;
+    if (name == "bug-string-char-index") {
+      // IE <= 7 doesn't support accessing string characters using square
+      // bracket notation. IE 8 only supports this for primitives.
+      isSupported = "a"[0] != "a";
+    } else if (name == "json") {
+      // Indicates whether both `JSON.stringify` and `JSON.parse` are
+      // supported.
+      isSupported = has("json-stringify") && has("json-parse");
+    } else {
+      var value, serialized = '{"a":[1,true,false,null,"\\u0000\\b\\n\\f\\r\\t"]}';
+      // Test `JSON.stringify`.
+      if (name == "json-stringify") {
+        var stringify = JSON3.stringify, stringifySupported = typeof stringify == "function" && isExtended;
+        if (stringifySupported) {
+          // A test function object with a custom `toJSON` method.
+          (value = function () {
+            return 1;
+          }).toJSON = value;
+          try {
+            stringifySupported =
+              // Firefox 3.1b1 and b2 serialize string, number, and boolean
+              // primitives as object literals.
+              stringify(0) === "0" &&
+              // FF 3.1b1, b2, and JSON 2 serialize wrapped primitives as object
+              // literals.
+              stringify(new Number()) === "0" &&
+              stringify(new String()) == '""' &&
+              // FF 3.1b1, 2 throw an error if the value is `null`, `undefined`, or
+              // does not define a canonical JSON representation (this applies to
+              // objects with `toJSON` properties as well, *unless* they are nested
+              // within an object or array).
+              stringify(getClass) === undef &&
+              // IE 8 serializes `undefined` as `"undefined"`. Safari <= 5.1.7 and
+              // FF 3.1b3 pass this test.
+              stringify(undef) === undef &&
+              // Safari <= 5.1.7 and FF 3.1b3 throw `Error`s and `TypeError`s,
+              // respectively, if the value is omitted entirely.
+              stringify() === undef &&
+              // FF 3.1b1, 2 throw an error if the given value is not a number,
+              // string, array, object, Boolean, or `null` literal. This applies to
+              // objects with custom `toJSON` methods as well, unless they are nested
+              // inside object or array literals. YUI 3.0.0b1 ignores custom `toJSON`
+              // methods entirely.
+              stringify(value) === "1" &&
+              stringify([value]) == "[1]" &&
+              // Prototype <= 1.6.1 serializes `[undefined]` as `"[]"` instead of
+              // `"[null]"`.
+              stringify([undef]) == "[null]" &&
+              // YUI 3.0.0b1 fails to serialize `null` literals.
+              stringify(null) == "null" &&
+              // FF 3.1b1, 2 halts serialization if an array contains a function:
+              // `[1, true, getClass, 1]` serializes as "[1,true,],". FF 3.1b3
+              // elides non-JSON values from objects and arrays, unless they
+              // define custom `toJSON` methods.
+              stringify([undef, getClass, null]) == "[null,null,null]" &&
+              // Simple serialization test. FF 3.1b1 uses Unicode escape sequences
+              // where character escape codes are expected (e.g., `\b` => `\u0008`).
+              stringify({ "a": [value, true, false, null, "\x00\b\n\f\r\t"] }) == serialized &&
+              // FF 3.1b1 and b2 ignore the `filter` and `width` arguments.
+              stringify(null, value) === "1" &&
+              stringify([1, 2], null, 1) == "[\n 1,\n 2\n]" &&
+              // JSON 2, Prototype <= 1.7, and older WebKit builds incorrectly
+              // serialize extended years.
+              stringify(new Date(-8.64e15)) == '"-271821-04-20T00:00:00.000Z"' &&
+              // The milliseconds are optional in ES 5, but required in 5.1.
+              stringify(new Date(8.64e15)) == '"+275760-09-13T00:00:00.000Z"' &&
+              // Firefox <= 11.0 incorrectly serializes years prior to 0 as negative
+              // four-digit years instead of six-digit years. Credits: @Yaffle.
+              stringify(new Date(-621987552e5)) == '"-000001-01-01T00:00:00.000Z"' &&
+              // Safari <= 5.1.5 and Opera >= 10.53 incorrectly serialize millisecond
+              // values less than 1000. Credits: @Yaffle.
+              stringify(new Date(-1)) == '"1969-12-31T23:59:59.999Z"';
+          } catch (exception) {
+            stringifySupported = false;
+          }
+        }
+        isSupported = stringifySupported;
+      }
+      // Test `JSON.parse`.
+      if (name == "json-parse") {
+        var parse = JSON3.parse;
+        if (typeof parse == "function") {
+          try {
+            // FF 3.1b1, b2 will throw an exception if a bare literal is provided.
+            // Conforming implementations should also coerce the initial argument to
+            // a string prior to parsing.
+            if (parse("0") === 0 && !parse(false)) {
+              // Simple parsing test.
+              value = parse(serialized);
+              var parseSupported = value["a"].length == 5 && value["a"][0] === 1;
+              if (parseSupported) {
+                try {
+                  // Safari <= 5.1.2 and FF 3.1b1 allow unescaped tabs in strings.
+                  parseSupported = !parse('"\t"');
+                } catch (exception) {}
+                if (parseSupported) {
+                  try {
+                    // FF 4.0 and 4.0.1 allow leading `+` signs and leading
+                    // decimal points. FF 4.0, 4.0.1, and IE 9-10 also allow
+                    // certain octal literals.
+                    parseSupported = parse("01") !== 1;
+                  } catch (exception) {}
+                }
+                if (parseSupported) {
+                  try {
+                    // FF 4.0, 4.0.1, and Rhino 1.7R3-R4 allow trailing decimal
+                    // points. These environments, along with FF 3.1b1 and 2,
+                    // also allow trailing commas in JSON objects and arrays.
+                    parseSupported = parse("1.") !== 1;
+                  } catch (exception) {}
+                }
+              }
+            }
+          } catch (exception) {
+            parseSupported = false;
+          }
+        }
+        isSupported = parseSupported;
+      }
+    }
+    return has[name] = !!isSupported;
+  }
+
+  if (!has("json")) {
+    // Common `[[Class]]` name aliases.
+    var functionClass = "[object Function]";
+    var dateClass = "[object Date]";
+    var numberClass = "[object Number]";
+    var stringClass = "[object String]";
+    var arrayClass = "[object Array]";
+    var booleanClass = "[object Boolean]";
+
+    // Detect incomplete support for accessing string characters by index.
+    var charIndexBuggy = has("bug-string-char-index");
+
+    // Define additional utility methods if the `Date` methods are buggy.
+    if (!isExtended) {
+      var floor = Math.floor;
+      // A mapping between the months of the year and the number of days between
+      // January 1st and the first of the respective month.
+      var Months = [0, 31, 59, 90, 120, 151, 181, 212, 243, 273, 304, 334];
+      // Internal: Calculates the number of days between the Unix epoch and the
+      // first day of the given month.
+      var getDay = function (year, month) {
+        return Months[month] + 365 * (year - 1970) + floor((year - 1969 + (month = +(month > 1))) / 4) - floor((year - 1901 + month) / 100) + floor((year - 1601 + month) / 400);
+      };
+    }
+
+    // Internal: Determines if a property is a direct property of the given
+    // object. Delegates to the native `Object#hasOwnProperty` method.
+    if (!(isProperty = {}.hasOwnProperty)) {
+      isProperty = function (property) {
+        var members = {}, constructor;
+        if ((members.__proto__ = null, members.__proto__ = {
+          // The *proto* property cannot be set multiple times in recent
+          // versions of Firefox and SeaMonkey.
+          "toString": 1
+        }, members).toString != getClass) {
+          // Safari <= 2.0.3 doesn't implement `Object#hasOwnProperty`, but
+          // supports the mutable *proto* property.
+          isProperty = function (property) {
+            // Capture and break the object's prototype chain (see section 8.6.2
+            // of the ES 5.1 spec). The parenthesized expression prevents an
+            // unsafe transformation by the Closure Compiler.
+            var original = this.__proto__, result = property in (this.__proto__ = null, this);
+            // Restore the original prototype chain.
+            this.__proto__ = original;
+            return result;
+          };
+        } else {
+          // Capture a reference to the top-level `Object` constructor.
+          constructor = members.constructor;
+          // Use the `constructor` property to simulate `Object#hasOwnProperty` in
+          // other environments.
+          isProperty = function (property) {
+            var parent = (this.constructor || constructor).prototype;
+            return property in this && !(property in parent && this[property] === parent[property]);
+          };
+        }
+        members = null;
+        return isProperty.call(this, property);
+      };
+    }
+
+    // Internal: A set of primitive types used by `isHostType`.
+    var PrimitiveTypes = {
+      'boolean': 1,
+      'number': 1,
+      'string': 1,
+      'undefined': 1
+    };
+
+    // Internal: Determines if the given object `property` value is a
+    // non-primitive.
+    var isHostType = function (object, property) {
+      var type = typeof object[property];
+      return type == 'object' ? !!object[property] : !PrimitiveTypes[type];
+    };
+
+    // Internal: Normalizes the `for...in` iteration algorithm across
+    // environments. Each enumerated key is yielded to a `callback` function.
+    forEach = function (object, callback) {
+      var size = 0, Properties, members, property;
+
+      // Tests for bugs in the current environment's `for...in` algorithm. The
+      // `valueOf` property inherits the non-enumerable flag from
+      // `Object.prototype` in older versions of IE, Netscape, and Mozilla.
+      (Properties = function () {
+        this.valueOf = 0;
+      }).prototype.valueOf = 0;
+
+      // Iterate over a new instance of the `Properties` class.
+      members = new Properties();
+      for (property in members) {
+        // Ignore all properties inherited from `Object.prototype`.
+        if (isProperty.call(members, property)) {
+          size++;
+        }
+      }
+      Properties = members = null;
+
+      // Normalize the iteration algorithm.
+      if (!size) {
+        // A list of non-enumerable properties inherited from `Object.prototype`.
+        members = ["valueOf", "toString", "toLocaleString", "propertyIsEnumerable", "isPrototypeOf", "hasOwnProperty", "constructor"];
+        // IE <= 8, Mozilla 1.0, and Netscape 6.2 ignore shadowed non-enumerable
+        // properties.
+        forEach = function (object, callback) {
+          var isFunction = getClass.call(object) == functionClass, property, length;
+          var hasProperty = !isFunction && typeof object.constructor != 'function' && isHostType(object, 'hasOwnProperty') ? object.hasOwnProperty : isProperty;
+          for (property in object) {
+            // Gecko <= 1.0 enumerates the `prototype` property of functions under
+            // certain conditions; IE does not.
+            if (!(isFunction && property == "prototype") && hasProperty.call(object, property)) {
+              callback(property);
+            }
+          }
+          // Manually invoke the callback for each non-enumerable property.
+          for (length = members.length; property = members[--length]; hasProperty.call(object, property) && callback(property));
+        };
+      } else if (size == 2) {
+        // Safari <= 2.0.4 enumerates shadowed properties twice.
+        forEach = function (object, callback) {
+          // Create a set of iterated properties.
+          var members = {}, isFunction = getClass.call(object) == functionClass, property;
+          for (property in object) {
+            // Store each property name to prevent double enumeration. The
+            // `prototype` property of functions is not enumerated due to cross-
+            // environment inconsistencies.
+            if (!(isFunction && property == "prototype") && !isProperty.call(members, property) && (members[property] = 1) && isProperty.call(object, property)) {
+              callback(property);
+            }
+          }
+        };
+      } else {
+        // No bugs detected; use the standard `for...in` algorithm.
+        forEach = function (object, callback) {
+          var isFunction = getClass.call(object) == functionClass, property, isConstructor;
+          for (property in object) {
+            if (!(isFunction && property == "prototype") && isProperty.call(object, property) && !(isConstructor = property === "constructor")) {
+              callback(property);
+            }
+          }
+          // Manually invoke the callback for the `constructor` property due to
+          // cross-environment inconsistencies.
+          if (isConstructor || isProperty.call(object, (property = "constructor"))) {
+            callback(property);
+          }
+        };
+      }
+      return forEach(object, callback);
+    };
+
+    // Public: Serializes a JavaScript `value` as a JSON string. The optional
+    // `filter` argument may specify either a function that alters how object and
+    // array members are serialized, or an array of strings and numbers that
+    // indicates which properties should be serialized. The optional `width`
+    // argument may be either a string or number that specifies the indentation
+    // level of the output.
+    if (!has("json-stringify")) {
+      // Internal: A map of control characters and their escaped equivalents.
+      var Escapes = {
+        92: "\\\\",
+        34: '\\"',
+        8: "\\b",
+        12: "\\f",
+        10: "\\n",
+        13: "\\r",
+        9: "\\t"
+      };
+
+      // Internal: Converts `value` into a zero-padded string such that its
+      // length is at least equal to `width`. The `width` must be <= 6.
+      var leadingZeroes = "000000";
+      var toPaddedString = function (width, value) {
+        // The `|| 0` expression is necessary to work around a bug in
+        // Opera <= 7.54u2 where `0 == -0`, but `String(-0) !== "0"`.
+        return (leadingZeroes + (value || 0)).slice(-width);
+      };
+
+      // Internal: Double-quotes a string `value`, replacing all ASCII control
+      // characters (characters with code unit values between 0 and 31) with
+      // their escaped equivalents. This is an implementation of the
+      // `Quote(value)` operation defined in ES 5.1 section 15.12.3.
+      var unicodePrefix = "\\u00";
+      var quote = function (value) {
+        var result = '"', index = 0, length = value.length, isLarge = length > 10 && charIndexBuggy, symbols;
+        if (isLarge) {
+          symbols = value.split("");
+        }
+        for (; index < length; index++) {
+          var charCode = value.charCodeAt(index);
+          // If the character is a control character, append its Unicode or
+          // shorthand escape sequence; otherwise, append the character as-is.
+          switch (charCode) {
+            case 8: case 9: case 10: case 12: case 13: case 34: case 92:
+              result += Escapes[charCode];
+              break;
+            default:
+              if (charCode < 32) {
+                result += unicodePrefix + toPaddedString(2, charCode.toString(16));
+                break;
+              }
+              result += isLarge ? symbols[index] : charIndexBuggy ? value.charAt(index) : value[index];
+          }
+        }
+        return result + '"';
+      };
+
+      // Internal: Recursively serializes an object. Implements the
+      // `Str(key, holder)`, `JO(value)`, and `JA(value)` operations.
+      var serialize = function (property, object, callback, properties, whitespace, indentation, stack) {
+        var value, className, year, month, date, time, hours, minutes, seconds, milliseconds, results, element, index, length, prefix, result;
+        try {
+          // Necessary for host object support.
+          value = object[property];
+        } catch (exception) {}
+        if (typeof value == "object" && value) {
+          className = getClass.call(value);
+          if (className == dateClass && !isProperty.call(value, "toJSON")) {
+            if (value > -1 / 0 && value < 1 / 0) {
+              // Dates are serialized according to the `Date#toJSON` method
+              // specified in ES 5.1 section 15.9.5.44. See section 15.9.1.15
+              // for the ISO 8601 date time string format.
+              if (getDay) {
+                // Manually compute the year, month, date, hours, minutes,
+                // seconds, and milliseconds if the `getUTC*` methods are
+                // buggy. Adapted from @Yaffle's `date-shim` project.
+                date = floor(value / 864e5);
+                for (year = floor(date / 365.2425) + 1970 - 1; getDay(year + 1, 0) <= date; year++);
+                for (month = floor((date - getDay(year, 0)) / 30.42); getDay(year, month + 1) <= date; month++);
+                date = 1 + date - getDay(year, month);
+                // The `time` value specifies the time within the day (see ES
+                // 5.1 section 15.9.1.2). The formula `(A % B + B) % B` is used
+                // to compute `A modulo B`, as the `%` operator does not
+                // correspond to the `modulo` operation for negative numbers.
+                time = (value % 864e5 + 864e5) % 864e5;
+                // The hours, minutes, seconds, and milliseconds are obtained by
+                // decomposing the time within the day. See section 15.9.1.10.
+                hours = floor(time / 36e5) % 24;
+                minutes = floor(time / 6e4) % 60;
+                seconds = floor(time / 1e3) % 60;
+                milliseconds = time % 1e3;
+              } else {
+                year = value.getUTCFullYear();
+                month = value.getUTCMonth();
+                date = value.getUTCDate();
+                hours = value.getUTCHours();
+                minutes = value.getUTCMinutes();
+                seconds = value.getUTCSeconds();
+                milliseconds = value.getUTCMilliseconds();
+              }
+              // Serialize extended years correctly.
+              value = (year <= 0 || year >= 1e4 ? (year < 0 ? "-" : "+") + toPaddedString(6, year < 0 ? -year : year) : toPaddedString(4, year)) +
+                "-" + toPaddedString(2, month + 1) + "-" + toPaddedString(2, date) +
+                // Months, dates, hours, minutes, and seconds should have two
+                // digits; milliseconds should have three.
+                "T" + toPaddedString(2, hours) + ":" + toPaddedString(2, minutes) + ":" + toPaddedString(2, seconds) +
+                // Milliseconds are optional in ES 5.0, but required in 5.1.
+                "." + toPaddedString(3, milliseconds) + "Z";
+            } else {
+              value = null;
+            }
+          } else if (typeof value.toJSON == "function" && ((className != numberClass && className != stringClass && className != arrayClass) || isProperty.call(value, "toJSON"))) {
+            // Prototype <= 1.6.1 adds non-standard `toJSON` methods to the
+            // `Number`, `String`, `Date`, and `Array` prototypes. JSON 3
+            // ignores all `toJSON` methods on these objects unless they are
+            // defined directly on an instance.
+            value = value.toJSON(property);
+          }
+        }
+        if (callback) {
+          // If a replacement function was provided, call it to obtain the value
+          // for serialization.
+          value = callback.call(object, property, value);
+        }
+        if (value === null) {
+          return "null";
+        }
+        className = getClass.call(value);
+        if (className == booleanClass) {
+          // Booleans are represented literally.
+          return "" + value;
+        } else if (className == numberClass) {
+          // JSON numbers must be finite. `Infinity` and `NaN` are serialized as
+          // `"null"`.
+          return value > -1 / 0 && value < 1 / 0 ? "" + value : "null";
+        } else if (className == stringClass) {
+          // Strings are double-quoted and escaped.
+          return quote("" + value);
+        }
+        // Recursively serialize objects and arrays.
+        if (typeof value == "object") {
+          // Check for cyclic structures. This is a linear search; performance
+          // is inversely proportional to the number of unique nested objects.
+          for (length = stack.length; length--;) {
+            if (stack[length] === value) {
+              // Cyclic structures cannot be serialized by `JSON.stringify`.
+              throw TypeError();
+            }
+          }
+          // Add the object to the stack of traversed objects.
+          stack.push(value);
+          results = [];
+          // Save the current indentation level and indent one additional level.
+          prefix = indentation;
+          indentation += whitespace;
+          if (className == arrayClass) {
+            // Recursively serialize array elements.
+            for (index = 0, length = value.length; index < length; index++) {
+              element = serialize(index, value, callback, properties, whitespace, indentation, stack);
+              results.push(element === undef ? "null" : element);
+            }
+            result = results.length ? (whitespace ? "[\n" + indentation + results.join(",\n" + indentation) + "\n" + prefix + "]" : ("[" + results.join(",") + "]")) : "[]";
+          } else {
+            // Recursively serialize object members. Members are selected from
+            // either a user-specified list of property names, or the object
+            // itself.
+            forEach(properties || value, function (property) {
+              var element = serialize(property, value, callback, properties, whitespace, indentation, stack);
+              if (element !== undef) {
+                // According to ES 5.1 section 15.12.3: "If `gap` {whitespace}
+                // is not the empty string, let `member` {quote(property) + ":"}
+                // be the concatenation of `member` and the `space` character."
+                // The "`space` character" refers to the literal space
+                // character, not the `space` {width} argument provided to
+                // `JSON.stringify`.
+                results.push(quote(property) + ":" + (whitespace ? " " : "") + element);
+              }
+            });
+            result = results.length ? (whitespace ? "{\n" + indentation + results.join(",\n" + indentation) + "\n" + prefix + "}" : ("{" + results.join(",") + "}")) : "{}";
+          }
+          // Remove the object from the traversed object stack.
+          stack.pop();
+          return result;
+        }
+      };
+
+      // Public: `JSON.stringify`. See ES 5.1 section 15.12.3.
+      JSON3.stringify = function (source, filter, width) {
+        var whitespace, callback, properties, className;
+        if (typeof filter == "function" || typeof filter == "object" && filter) {
+          if ((className = getClass.call(filter)) == functionClass) {
+            callback = filter;
+          } else if (className == arrayClass) {
+            // Convert the property names array into a makeshift set.
+            properties = {};
+            for (var index = 0, length = filter.length, value; index < length; value = filter[index++], ((className = getClass.call(value)), className == stringClass || className == numberClass) && (properties[value] = 1));
+          }
+        }
+        if (width) {
+          if ((className = getClass.call(width)) == numberClass) {
+            // Convert the `width` to an integer and create a string containing
+            // `width` number of space characters.
+            if ((width -= width % 1) > 0) {
+              for (whitespace = "", width > 10 && (width = 10); whitespace.length < width; whitespace += " ");
+            }
+          } else if (className == stringClass) {
+            whitespace = width.length <= 10 ? width : width.slice(0, 10);
+          }
+        }
+        // Opera <= 7.54u2 discards the values associated with empty string keys
+        // (`""`) only if they are used directly within an object member list
+        // (e.g., `!("" in { "": 1})`).
+        return serialize("", (value = {}, value[""] = source, value), callback, properties, whitespace, "", []);
+      };
+    }
+
+    // Public: Parses a JSON source string.
+    if (!has("json-parse")) {
+      var fromCharCode = String.fromCharCode;
+
+      // Internal: A map of escaped control characters and their unescaped
+      // equivalents.
+      var Unescapes = {
+        92: "\\",
+        34: '"',
+        47: "/",
+        98: "\b",
+        116: "\t",
+        110: "\n",
+        102: "\f",
+        114: "\r"
+      };
+
+      // Internal: Stores the parser state.
+      var Index, Source;
+
+      // Internal: Resets the parser state and throws a `SyntaxError`.
+      var abort = function() {
+        Index = Source = null;
+        throw SyntaxError();
+      };
+
+      // Internal: Returns the next token, or `"$"` if the parser has reached
+      // the end of the source string. A token may be a string, number, `null`
+      // literal, or Boolean literal.
+      var lex = function () {
+        var source = Source, length = source.length, value, begin, position, isSigned, charCode;
+        while (Index < length) {
+          charCode = source.charCodeAt(Index);
+          switch (charCode) {
+            case 9: case 10: case 13: case 32:
+              // Skip whitespace tokens, including tabs, carriage returns, line
+              // feeds, and space characters.
+              Index++;
+              break;
+            case 123: case 125: case 91: case 93: case 58: case 44:
+              // Parse a punctuator token (`{`, `}`, `[`, `]`, `:`, or `,`) at
+              // the current position.
+              value = charIndexBuggy ? source.charAt(Index) : source[Index];
+              Index++;
+              return value;
+            case 34:
+              // `"` delimits a JSON string; advance to the next character and
+              // begin parsing the string. String tokens are prefixed with the
+              // sentinel `@` character to distinguish them from punctuators and
+              // end-of-string tokens.
+              for (value = "@", Index++; Index < length;) {
+                charCode = source.charCodeAt(Index);
+                if (charCode < 32) {
+                  // Unescaped ASCII control characters (those with a code unit
+                  // less than the space character) are not permitted.
+                  abort();
+                } else if (charCode == 92) {
+                  // A reverse solidus (`\`) marks the beginning of an escaped
+                  // control character (including `"`, `\`, and `/`) or Unicode
+                  // escape sequence.
+                  charCode = source.charCodeAt(++Index);
+                  switch (charCode) {
+                    case 92: case 34: case 47: case 98: case 116: case 110: case 102: case 114:
+                      // Revive escaped control characters.
+                      value += Unescapes[charCode];
+                      Index++;
+                      break;
+                    case 117:
+                      // `\u` marks the beginning of a Unicode escape sequence.
+                      // Advance to the first character and validate the
+                      // four-digit code point.
+                      begin = ++Index;
+                      for (position = Index + 4; Index < position; Index++) {
+                        charCode = source.charCodeAt(Index);
+                        // A valid sequence comprises four hexdigits (case-
+                        // insensitive) that form a single hexadecimal value.
+                        if (!(charCode >= 48 && charCode <= 57 || charCode >= 97 && charCode <= 102 || charCode >= 65 && charCode <= 70)) {
+                          // Invalid Unicode escape sequence.
+                          abort();
+                        }
+                      }
+                      // Revive the escaped character.
+                      value += fromCharCode("0x" + source.slice(begin, Index));
+                      break;
+                    default:
+                      // Invalid escape sequence.
+                      abort();
+                  }
+                } else {
+                  if (charCode == 34) {
+                    // An unescaped double-quote character marks the end of the
+                    // string.
+                    break;
+                  }
+                  charCode = source.charCodeAt(Index);
+                  begin = Index;
+                  // Optimize for the common case where a string is valid.
+                  while (charCode >= 32 && charCode != 92 && charCode != 34) {
+                    charCode = source.charCodeAt(++Index);
+                  }
+                  // Append the string as-is.
+                  value += source.slice(begin, Index);
+                }
+              }
+              if (source.charCodeAt(Index) == 34) {
+                // Advance to the next character and return the revived string.
+                Index++;
+                return value;
+              }
+              // Unterminated string.
+              abort();
+            default:
+              // Parse numbers and literals.
+              begin = Index;
+              // Advance past the negative sign, if one is specified.
+              if (charCode == 45) {
+                isSigned = true;
+                charCode = source.charCodeAt(++Index);
+              }
+              // Parse an integer or floating-point value.
+              if (charCode >= 48 && charCode <= 57) {
+                // Leading zeroes are interpreted as octal literals.
+                if (charCode == 48 && ((charCode = source.charCodeAt(Index + 1)), charCode >= 48 && charCode <= 57)) {
+                  // Illegal octal literal.
+                  abort();
+                }
+                isSigned = false;
+                // Parse the integer component.
+                for (; Index < length && ((charCode = source.charCodeAt(Index)), charCode >= 48 && charCode <= 57); Index++);
+                // Floats cannot contain a leading decimal point; however, this
+                // case is already accounted for by the parser.
+                if (source.charCodeAt(Index) == 46) {
+                  position = ++Index;
+                  // Parse the decimal component.
+                  for (; position < length && ((charCode = source.charCodeAt(position)), charCode >= 48 && charCode <= 57); position++);
+                  if (position == Index) {
+                    // Illegal trailing decimal.
+                    abort();
+                  }
+                  Index = position;
+                }
+                // Parse exponents. The `e` denoting the exponent is
+                // case-insensitive.
+                charCode = source.charCodeAt(Index);
+                if (charCode == 101 || charCode == 69) {
+                  charCode = source.charCodeAt(++Index);
+                  // Skip past the sign following the exponent, if one is
+                  // specified.
+                  if (charCode == 43 || charCode == 45) {
+                    Index++;
+                  }
+                  // Parse the exponential component.
+                  for (position = Index; position < length && ((charCode = source.charCodeAt(position)), charCode >= 48 && charCode <= 57); position++);
+                  if (position == Index) {
+                    // Illegal empty exponent.
+                    abort();
+                  }
+                  Index = position;
+                }
+                // Coerce the parsed value to a JavaScript number.
+                return +source.slice(begin, Index);
+              }
+              // A negative sign may only precede numbers.
+              if (isSigned) {
+                abort();
+              }
+              // `true`, `false`, and `null` literals.
+              if (source.slice(Index, Index + 4) == "true") {
+                Index += 4;
+                return true;
+              } else if (source.slice(Index, Index + 5) == "false") {
+                Index += 5;
+                return false;
+              } else if (source.slice(Index, Index + 4) == "null") {
+                Index += 4;
+                return null;
+              }
+              // Unrecognized token.
+              abort();
+          }
+        }
+        // Return the sentinel `$` character if the parser has reached the end
+        // of the source string.
+        return "$";
+      };
+
+      // Internal: Parses a JSON `value` token.
+      var get = function (value) {
+        var results, hasMembers;
+        if (value == "$") {
+          // Unexpected end of input.
+          abort();
+        }
+        if (typeof value == "string") {
+          if ((charIndexBuggy ? value.charAt(0) : value[0]) == "@") {
+            // Remove the sentinel `@` character.
+            return value.slice(1);
+          }
+          // Parse object and array literals.
+          if (value == "[") {
+            // Parses a JSON array, returning a new JavaScript array.
+            results = [];
+            for (;; hasMembers || (hasMembers = true)) {
+              value = lex();
+              // A closing square bracket marks the end of the array literal.
+              if (value == "]") {
+                break;
+              }
+              // If the array literal contains elements, the current token
+              // should be a comma separating the previous element from the
+              // next.
+              if (hasMembers) {
+                if (value == ",") {
+                  value = lex();
+                  if (value == "]") {
+                    // Unexpected trailing `,` in array literal.
+                    abort();
+                  }
+                } else {
+                  // A `,` must separate each array element.
+                  abort();
+                }
+              }
+              // Elisions and leading commas are not permitted.
+              if (value == ",") {
+                abort();
+              }
+              results.push(get(value));
+            }
+            return results;
+          } else if (value == "{") {
+            // Parses a JSON object, returning a new JavaScript object.
+            results = {};
+            for (;; hasMembers || (hasMembers = true)) {
+              value = lex();
+              // A closing curly brace marks the end of the object literal.
+              if (value == "}") {
+                break;
+              }
+              // If the object literal contains members, the current token
+              // should be a comma separator.
+              if (hasMembers) {
+                if (value == ",") {
+                  value = lex();
+                  if (value == "}") {
+                    // Unexpected trailing `,` in object literal.
+                    abort();
+                  }
+                } else {
+                  // A `,` must separate each object member.
+                  abort();
+                }
+              }
+              // Leading commas are not permitted, object property names must be
+              // double-quoted strings, and a `:` must separate each property
+              // name and value.
+              if (value == "," || typeof value != "string" || (charIndexBuggy ? value.charAt(0) : value[0]) != "@" || lex() != ":") {
+                abort();
+              }
+              results[value.slice(1)] = get(lex());
+            }
+            return results;
+          }
+          // Unexpected token encountered.
+          abort();
+        }
+        return value;
+      };
+
+      // Internal: Updates a traversed object member.
+      var update = function(source, property, callback) {
+        var element = walk(source, property, callback);
+        if (element === undef) {
+          delete source[property];
+        } else {
+          source[property] = element;
+        }
+      };
+
+      // Internal: Recursively traverses a parsed JSON object, invoking the
+      // `callback` function for each value. This is an implementation of the
+      // `Walk(holder, name)` operation defined in ES 5.1 section 15.12.2.
+      var walk = function (source, property, callback) {
+        var value = source[property], length;
+        if (typeof value == "object" && value) {
+          // `forEach` can't be used to traverse an array in Opera <= 8.54
+          // because its `Object#hasOwnProperty` implementation returns `false`
+          // for array indices (e.g., `![1, 2, 3].hasOwnProperty("0")`).
+          if (getClass.call(value) == arrayClass) {
+            for (length = value.length; length--;) {
+              update(value, length, callback);
+            }
+          } else {
+            forEach(value, function (property) {
+              update(value, property, callback);
+            });
+          }
+        }
+        return callback.call(source, property, value);
+      };
+
+      // Public: `JSON.parse`. See ES 5.1 section 15.12.2.
+      JSON3.parse = function (source, callback) {
+        var result, value;
+        Index = 0;
+        Source = "" + source;
+        result = get(lex());
+        // If a JSON string contains multiple tokens, it is invalid.
+        if (lex() != "$") {
+          abort();
+        }
+        // Reset the parser state.
+        Index = Source = null;
+        return callback && getClass.call(callback) == functionClass ? walk((value = {}, value[""] = result, value), "", callback) : result;
+      };
+    }
+  }
+
+  // Export for asynchronous module loaders.
+  if (isLoader) {
+    define(function () {
+      return JSON3;
+    });
+  }
+}(this));
+
+},{}],81:[function(require,module,exports){
 /*
  A JavaScript implementation of the SHA family of hashes, as
  defined in FIPS PUB 180-2 as well as the corresponding HMAC implementation
@@ -16020,7 +20750,205 @@ d[2]),new e(355462360,d[3]),new e(1731405415,d[4]),new e(41048885895,d[5]),new e
 new e(a[m*x+p],a[m*x+p+1]):y(E(A[m-2]),A[m-7],D(A[m-15]),A[m-16]),v=C(u,G(l),H(l,r,t),k[m],A[m]),z=q(F(c),I(c,g,f)),u=t,t=r,r=l,l=q(h,v),h=f,f=g,g=c,c=q(v,z);d[0]=q(c,d[0]);d[1]=q(g,d[1]);d[2]=q(f,d[2]);d[3]=q(h,d[3]);d[4]=q(l,d[4]);d[5]=q(r,d[5]);d[6]=q(t,d[6]);d[7]=q(u,d[7])}if("SHA-224"===b)a=[d[0],d[1],d[2],d[3],d[4],d[5],d[6]];else if("SHA-256"===b)a=d;else if("SHA-384"===b)a=[d[0].a,d[0].b,d[1].a,d[1].b,d[2].a,d[2].b,d[3].a,d[3].b,d[4].a,d[4].b,d[5].a,d[5].b];else if("SHA-512"===b)a=[d[0].a,
 d[0].b,d[1].a,d[1].b,d[2].a,d[2].b,d[3].a,d[3].b,d[4].a,d[4].b,d[5].a,d[5].b,d[6].a,d[6].b,d[7].a,d[7].b];else throw"Unexpected error in SHA-2 implementation";return a}"function"===typeof define&&typeof define.amd?define(function(){return z}):"undefined"!==typeof exports?"undefined"!==typeof module&&module.exports?module.exports=exports=z:exports=z:T.jsSHA=z})(this);
 
-},{}],51:[function(require,module,exports){
+},{}],82:[function(require,module,exports){
+/**
+ * Helpers.
+ */
+
+var s = 1000;
+var m = s * 60;
+var h = m * 60;
+var d = h * 24;
+var y = d * 365.25;
+
+/**
+ * Parse or format the given `val`.
+ *
+ * Options:
+ *
+ *  - `long` verbose formatting [false]
+ *
+ * @param {String|Number} val
+ * @param {Object} options
+ * @return {String|Number}
+ * @api public
+ */
+
+module.exports = function(val, options){
+  options = options || {};
+  if ('string' == typeof val) return parse(val);
+  return options.long
+    ? long(val)
+    : short(val);
+};
+
+/**
+ * Parse the given `str` and return milliseconds.
+ *
+ * @param {String} str
+ * @return {Number}
+ * @api private
+ */
+
+function parse(str) {
+  var match = /^((?:\d+)?\.?\d+) *(ms|seconds?|s|minutes?|m|hours?|h|days?|d|years?|y)?$/i.exec(str);
+  if (!match) return;
+  var n = parseFloat(match[1]);
+  var type = (match[2] || 'ms').toLowerCase();
+  switch (type) {
+    case 'years':
+    case 'year':
+    case 'y':
+      return n * y;
+    case 'days':
+    case 'day':
+    case 'd':
+      return n * d;
+    case 'hours':
+    case 'hour':
+    case 'h':
+      return n * h;
+    case 'minutes':
+    case 'minute':
+    case 'm':
+      return n * m;
+    case 'seconds':
+    case 'second':
+    case 's':
+      return n * s;
+    case 'ms':
+      return n;
+  }
+}
+
+/**
+ * Short format for `ms`.
+ *
+ * @param {Number} ms
+ * @return {String}
+ * @api private
+ */
+
+function short(ms) {
+  if (ms >= d) return Math.round(ms / d) + 'd';
+  if (ms >= h) return Math.round(ms / h) + 'h';
+  if (ms >= m) return Math.round(ms / m) + 'm';
+  if (ms >= s) return Math.round(ms / s) + 's';
+  return ms + 'ms';
+}
+
+/**
+ * Long format for `ms`.
+ *
+ * @param {Number} ms
+ * @return {String}
+ * @api private
+ */
+
+function long(ms) {
+  return plural(ms, d, 'day')
+    || plural(ms, h, 'hour')
+    || plural(ms, m, 'minute')
+    || plural(ms, s, 'second')
+    || ms + ' ms';
+}
+
+/**
+ * Pluralization helper.
+ */
+
+function plural(ms, n, name) {
+  if (ms < n) return;
+  if (ms < n * 1.5) return Math.floor(ms / n) + ' ' + name;
+  return Math.ceil(ms / n) + ' ' + name + 's';
+}
+
+},{}],83:[function(require,module,exports){
+
+/**
+ * HOP ref.
+ */
+
+var has = Object.prototype.hasOwnProperty;
+
+/**
+ * Return own keys in `obj`.
+ *
+ * @param {Object} obj
+ * @return {Array}
+ * @api public
+ */
+
+exports.keys = Object.keys || function(obj){
+  var keys = [];
+  for (var key in obj) {
+    if (has.call(obj, key)) {
+      keys.push(key);
+    }
+  }
+  return keys;
+};
+
+/**
+ * Return own values in `obj`.
+ *
+ * @param {Object} obj
+ * @return {Array}
+ * @api public
+ */
+
+exports.values = function(obj){
+  var vals = [];
+  for (var key in obj) {
+    if (has.call(obj, key)) {
+      vals.push(obj[key]);
+    }
+  }
+  return vals;
+};
+
+/**
+ * Merge `b` into `a`.
+ *
+ * @param {Object} a
+ * @param {Object} b
+ * @return {Object} a
+ * @api public
+ */
+
+exports.merge = function(a, b){
+  for (var key in b) {
+    if (has.call(b, key)) {
+      a[key] = b[key];
+    }
+  }
+  return a;
+};
+
+/**
+ * Return length of `obj`.
+ *
+ * @param {Object} obj
+ * @return {Number}
+ * @api public
+ */
+
+exports.length = function(obj){
+  return exports.keys(obj).length;
+};
+
+/**
+ * Check if `obj` is empty.
+ *
+ * @param {Object} obj
+ * @return {Boolean}
+ * @api public
+ */
+
+exports.isEmpty = function(obj){
+  return 0 == exports.length(obj);
+};
+},{}],84:[function(require,module,exports){
 // Top level file is just a mixin of submodules & constants
 'use strict';
 
@@ -16036,7 +20964,7 @@ assign(pako, deflate, inflate, constants);
 
 module.exports = pako;
 
-},{"./lib/deflate":52,"./lib/inflate":53,"./lib/utils/common":54,"./lib/zlib/constants":57}],52:[function(require,module,exports){
+},{"./lib/deflate":85,"./lib/inflate":86,"./lib/utils/common":87,"./lib/zlib/constants":90}],85:[function(require,module,exports){
 'use strict';
 
 
@@ -16414,7 +21342,7 @@ exports.deflate = deflate;
 exports.deflateRaw = deflateRaw;
 exports.gzip = gzip;
 
-},{"./utils/common":54,"./utils/strings":55,"./zlib/deflate.js":59,"./zlib/messages":64,"./zlib/zstream":66}],53:[function(require,module,exports){
+},{"./utils/common":87,"./utils/strings":88,"./zlib/deflate.js":92,"./zlib/messages":97,"./zlib/zstream":99}],86:[function(require,module,exports){
 'use strict';
 
 
@@ -16816,7 +21744,7 @@ exports.inflate = inflate;
 exports.inflateRaw = inflateRaw;
 exports.ungzip  = inflate;
 
-},{"./utils/common":54,"./utils/strings":55,"./zlib/constants":57,"./zlib/gzheader":60,"./zlib/inflate.js":62,"./zlib/messages":64,"./zlib/zstream":66}],54:[function(require,module,exports){
+},{"./utils/common":87,"./utils/strings":88,"./zlib/constants":90,"./zlib/gzheader":93,"./zlib/inflate.js":95,"./zlib/messages":97,"./zlib/zstream":99}],87:[function(require,module,exports){
 'use strict';
 
 
@@ -16920,7 +21848,7 @@ exports.setTyped = function (on) {
 
 exports.setTyped(TYPED_OK);
 
-},{}],55:[function(require,module,exports){
+},{}],88:[function(require,module,exports){
 // String encode/decode helpers
 'use strict';
 
@@ -17107,7 +22035,7 @@ exports.utf8border = function(buf, max) {
   return (pos + _utf8len[buf[pos]] > max) ? pos : max;
 };
 
-},{"./common":54}],56:[function(require,module,exports){
+},{"./common":87}],89:[function(require,module,exports){
 'use strict';
 
 // Note: adler32 takes 12% for level 0 and 2% for level 6.
@@ -17141,7 +22069,7 @@ function adler32(adler, buf, len, pos) {
 
 module.exports = adler32;
 
-},{}],57:[function(require,module,exports){
+},{}],90:[function(require,module,exports){
 module.exports = {
 
   /* Allowed flush values; see deflate() and inflate() below for details */
@@ -17190,7 +22118,7 @@ module.exports = {
   //Z_NULL:                 null // Use -1 or null inline, depending on var type
 };
 
-},{}],58:[function(require,module,exports){
+},{}],91:[function(require,module,exports){
 'use strict';
 
 // Note: we can't get significant speed boost here.
@@ -17233,7 +22161,7 @@ function crc32(crc, buf, len, pos) {
 
 module.exports = crc32;
 
-},{}],59:[function(require,module,exports){
+},{}],92:[function(require,module,exports){
 'use strict';
 
 var utils   = require('../utils/common');
@@ -19000,7 +23928,7 @@ exports.deflatePrime = deflatePrime;
 exports.deflateTune = deflateTune;
 */
 
-},{"../utils/common":54,"./adler32":56,"./crc32":58,"./messages":64,"./trees":65}],60:[function(require,module,exports){
+},{"../utils/common":87,"./adler32":89,"./crc32":91,"./messages":97,"./trees":98}],93:[function(require,module,exports){
 'use strict';
 
 
@@ -19042,7 +23970,7 @@ function GZheader() {
 
 module.exports = GZheader;
 
-},{}],61:[function(require,module,exports){
+},{}],94:[function(require,module,exports){
 'use strict';
 
 // See state defs from inflate.js
@@ -19370,7 +24298,7 @@ module.exports = function inflate_fast(strm, start) {
   return;
 };
 
-},{}],62:[function(require,module,exports){
+},{}],95:[function(require,module,exports){
 'use strict';
 
 
@@ -20875,7 +25803,7 @@ exports.inflateSyncPoint = inflateSyncPoint;
 exports.inflateUndermine = inflateUndermine;
 */
 
-},{"../utils/common":54,"./adler32":56,"./crc32":58,"./inffast":61,"./inftrees":63}],63:[function(require,module,exports){
+},{"../utils/common":87,"./adler32":89,"./crc32":91,"./inffast":94,"./inftrees":96}],96:[function(require,module,exports){
 'use strict';
 
 
@@ -21204,7 +26132,7 @@ module.exports = function inflate_table(type, lens, lens_index, codes, table, ta
   return 0;
 };
 
-},{"../utils/common":54}],64:[function(require,module,exports){
+},{"../utils/common":87}],97:[function(require,module,exports){
 'use strict';
 
 module.exports = {
@@ -21219,7 +26147,7 @@ module.exports = {
   '-6':   'incompatible version' /* Z_VERSION_ERROR (-6) */
 };
 
-},{}],65:[function(require,module,exports){
+},{}],98:[function(require,module,exports){
 'use strict';
 
 
@@ -22420,7 +27348,7 @@ exports._tr_flush_block  = _tr_flush_block;
 exports._tr_tally = _tr_tally;
 exports._tr_align = _tr_align;
 
-},{"../utils/common":54}],66:[function(require,module,exports){
+},{"../utils/common":87}],99:[function(require,module,exports){
 'use strict';
 
 
@@ -22451,7 +27379,201 @@ function ZStream() {
 
 module.exports = ZStream;
 
-},{}],67:[function(require,module,exports){
+},{}],100:[function(require,module,exports){
+(function (global){
+/**
+ * JSON parse.
+ *
+ * @see Based on jQuery#parseJSON (MIT) and JSON2
+ * @api private
+ */
+
+var rvalidchars = /^[\],:{}\s]*$/;
+var rvalidescape = /\\(?:["\\\/bfnrt]|u[0-9a-fA-F]{4})/g;
+var rvalidtokens = /"[^"\\\n\r]*"|true|false|null|-?\d+(?:\.\d*)?(?:[eE][+\-]?\d+)?/g;
+var rvalidbraces = /(?:^|:|,)(?:\s*\[)+/g;
+var rtrimLeft = /^\s+/;
+var rtrimRight = /\s+$/;
+
+module.exports = function parsejson(data) {
+  if ('string' != typeof data || !data) {
+    return null;
+  }
+
+  data = data.replace(rtrimLeft, '').replace(rtrimRight, '');
+
+  // Attempt to parse using the native JSON parser first
+  if (global.JSON && JSON.parse) {
+    return JSON.parse(data);
+  }
+
+  if (rvalidchars.test(data.replace(rvalidescape, '@')
+      .replace(rvalidtokens, ']')
+      .replace(rvalidbraces, ''))) {
+    return (new Function('return ' + data))();
+  }
+};
+}).call(this,typeof global !== "undefined" ? global : typeof self !== "undefined" ? self : typeof window !== "undefined" ? window : {})
+},{}],101:[function(require,module,exports){
+/**
+ * Compiles a querystring
+ * Returns string representation of the object
+ *
+ * @param {Object}
+ * @api private
+ */
+
+exports.encode = function (obj) {
+  var str = '';
+
+  for (var i in obj) {
+    if (obj.hasOwnProperty(i)) {
+      if (str.length) str += '&';
+      str += encodeURIComponent(i) + '=' + encodeURIComponent(obj[i]);
+    }
+  }
+
+  return str;
+};
+
+/**
+ * Parses a simple querystring into an object
+ *
+ * @param {String} qs
+ * @api private
+ */
+
+exports.decode = function(qs){
+  var qry = {};
+  var pairs = qs.split('&');
+  for (var i = 0, l = pairs.length; i < l; i++) {
+    var pair = pairs[i].split('=');
+    qry[decodeURIComponent(pair[0])] = decodeURIComponent(pair[1]);
+  }
+  return qry;
+};
+
+},{}],102:[function(require,module,exports){
+/**
+ * Parses an URI
+ *
+ * @author Steven Levithan <stevenlevithan.com> (MIT license)
+ * @api private
+ */
+
+var re = /^(?:(?![^:@]+:[^:@\/]*@)(http|https|ws|wss):\/\/)?((?:(([^:@]*)(?::([^:@]*))?)?@)?((?:[a-f0-9]{0,4}:){2,7}[a-f0-9]{0,4}|[^:\/?#]*)(?::(\d*))?)(((\/(?:[^?#](?![^?#\/]*\.[^?#\/.]+(?:[?#]|$)))*\/?)?([^?#\/]*))(?:\?([^#]*))?(?:#(.*))?)/;
+
+var parts = [
+    'source', 'protocol', 'authority', 'userInfo', 'user', 'password', 'host'
+  , 'port', 'relative', 'path', 'directory', 'file', 'query', 'anchor'
+];
+
+module.exports = function parseuri(str) {
+  var m = re.exec(str || '')
+    , uri = {}
+    , i = 14;
+
+  while (i--) {
+    uri[parts[i]] = m[i] || '';
+  }
+
+  return uri;
+};
+
+},{}],103:[function(require,module,exports){
+// shim for using process in browser
+
+var process = module.exports = {};
+var queue = [];
+var draining = false;
+var currentQueue;
+var queueIndex = -1;
+
+function cleanUpNextTick() {
+    draining = false;
+    if (currentQueue.length) {
+        queue = currentQueue.concat(queue);
+    } else {
+        queueIndex = -1;
+    }
+    if (queue.length) {
+        drainQueue();
+    }
+}
+
+function drainQueue() {
+    if (draining) {
+        return;
+    }
+    var timeout = setTimeout(cleanUpNextTick);
+    draining = true;
+
+    var len = queue.length;
+    while(len) {
+        currentQueue = queue;
+        queue = [];
+        while (++queueIndex < len) {
+            if (currentQueue) {
+                currentQueue[queueIndex].run();
+            }
+        }
+        queueIndex = -1;
+        len = queue.length;
+    }
+    currentQueue = null;
+    draining = false;
+    clearTimeout(timeout);
+}
+
+process.nextTick = function (fun) {
+    var args = new Array(arguments.length - 1);
+    if (arguments.length > 1) {
+        for (var i = 1; i < arguments.length; i++) {
+            args[i - 1] = arguments[i];
+        }
+    }
+    queue.push(new Item(fun, args));
+    if (queue.length === 1 && !draining) {
+        setTimeout(drainQueue, 0);
+    }
+};
+
+// v8 likes predictible objects
+function Item(fun, array) {
+    this.fun = fun;
+    this.array = array;
+}
+Item.prototype.run = function () {
+    this.fun.apply(null, this.array);
+};
+process.title = 'browser';
+process.browser = true;
+process.env = {};
+process.argv = [];
+process.version = ''; // empty string to avoid regexp issues
+process.versions = {};
+
+function noop() {}
+
+process.on = noop;
+process.addListener = noop;
+process.once = noop;
+process.off = noop;
+process.removeListener = noop;
+process.removeAllListeners = noop;
+process.emit = noop;
+
+process.binding = function (name) {
+    throw new Error('process.binding is not supported');
+};
+
+process.cwd = function () { return '/' };
+process.chdir = function (dir) {
+    throw new Error('process.chdir is not supported');
+};
+process.umask = function() { return 0; };
+
+},{}],104:[function(require,module,exports){
 /* Copyright @ 2015 Atlassian Pty Ltd
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
@@ -22492,7 +27614,7 @@ module.exports = function arrayEquals(array) {
 };
 
 
-},{}],68:[function(require,module,exports){
+},{}],105:[function(require,module,exports){
 /* Copyright @ 2015 Atlassian Pty Ltd
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
@@ -22510,7 +27632,7 @@ module.exports = function arrayEquals(array) {
 
 exports.Interop = require('./interop');
 
-},{"./interop":69}],69:[function(require,module,exports){
+},{"./interop":106}],106:[function(require,module,exports){
 /* Copyright @ 2015 Atlassian Pty Ltd
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
@@ -23233,7 +28355,7 @@ Interop.prototype.toUnifiedPlan = function(desc) {
     //#endregion
 };
 
-},{"./array-equals":67,"./transform":70}],70:[function(require,module,exports){
+},{"./array-equals":104,"./transform":107}],107:[function(require,module,exports){
 /* Copyright @ 2015 Atlassian Pty Ltd
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
@@ -23347,7 +28469,7 @@ exports.parse = function(sdp) {
 };
 
 
-},{"sdp-transform":72}],71:[function(require,module,exports){
+},{"sdp-transform":109}],108:[function(require,module,exports){
 var grammar = module.exports = {
   v: [{
       name: 'version',
@@ -23606,7 +28728,7 @@ Object.keys(grammar).forEach(function (key) {
   });
 });
 
-},{}],72:[function(require,module,exports){
+},{}],109:[function(require,module,exports){
 var parser = require('./parser');
 var writer = require('./writer');
 
@@ -23616,7 +28738,7 @@ exports.parseFmtpConfig = parser.parseFmtpConfig;
 exports.parsePayloads = parser.parsePayloads;
 exports.parseRemoteCandidates = parser.parseRemoteCandidates;
 
-},{"./parser":73,"./writer":74}],73:[function(require,module,exports){
+},{"./parser":110,"./writer":111}],110:[function(require,module,exports){
 var toIntIfInt = function (v) {
   return String(Number(v)) === v ? Number(v) : v;
 };
@@ -23711,7 +28833,7 @@ exports.parseRemoteCandidates = function (str) {
   return candidates;
 };
 
-},{"./grammar":71}],74:[function(require,module,exports){
+},{"./grammar":108}],111:[function(require,module,exports){
 var grammar = require('./grammar');
 
 // customized util.format - discards excess arguments and can void middle ones
@@ -23827,7 +28949,7 @@ module.exports = function (session, opts) {
   return sdp.join('\r\n') + '\r\n';
 };
 
-},{"./grammar":71}],75:[function(require,module,exports){
+},{"./grammar":108}],112:[function(require,module,exports){
 /* Copyright @ 2015 Atlassian Pty Ltd
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
@@ -24251,7 +29373,7 @@ Simulcast.prototype.mungeLocalDescription = function (desc) {
 
 module.exports = Simulcast;
 
-},{"./transform-utils":76,"sdp-transform":78}],76:[function(require,module,exports){
+},{"./transform-utils":113,"sdp-transform":115}],113:[function(require,module,exports){
 /* Copyright @ 2015 Atlassian Pty Ltd
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
@@ -24317,19 +29439,19 @@ exports.parseSsrcs = function (mLine) {
 };
 
 
-},{}],77:[function(require,module,exports){
-arguments[4][71][0].apply(exports,arguments)
-},{"dup":71}],78:[function(require,module,exports){
-arguments[4][72][0].apply(exports,arguments)
-},{"./parser":79,"./writer":80,"dup":72}],79:[function(require,module,exports){
-arguments[4][73][0].apply(exports,arguments)
-},{"./grammar":77,"dup":73}],80:[function(require,module,exports){
-arguments[4][74][0].apply(exports,arguments)
-},{"./grammar":77,"dup":74}],81:[function(require,module,exports){
+},{}],114:[function(require,module,exports){
+arguments[4][108][0].apply(exports,arguments)
+},{"dup":108}],115:[function(require,module,exports){
+arguments[4][109][0].apply(exports,arguments)
+},{"./parser":116,"./writer":117,"dup":109}],116:[function(require,module,exports){
+arguments[4][110][0].apply(exports,arguments)
+},{"./grammar":114,"dup":110}],117:[function(require,module,exports){
+arguments[4][111][0].apply(exports,arguments)
+},{"./grammar":114,"dup":111}],118:[function(require,module,exports){
 
 module.exports = require('./lib/');
 
-},{"./lib/":82}],82:[function(require,module,exports){
+},{"./lib/":119}],119:[function(require,module,exports){
 
 /**
  * Module dependencies.
@@ -24418,7 +29540,7 @@ exports.connect = lookup;
 exports.Manager = require('./manager');
 exports.Socket = require('./socket');
 
-},{"./manager":83,"./socket":85,"./url":86,"debug":90,"socket.io-parser":126}],83:[function(require,module,exports){
+},{"./manager":120,"./socket":122,"./url":123,"debug":55,"socket.io-parser":125}],120:[function(require,module,exports){
 
 /**
  * Module dependencies.
@@ -24923,7 +30045,7 @@ Manager.prototype.onreconnect = function(){
   this.emitAll('reconnect', attempt);
 };
 
-},{"./on":84,"./socket":85,"./url":86,"backo2":87,"component-bind":88,"component-emitter":89,"debug":90,"engine.io-client":91,"indexof":122,"object-component":123,"socket.io-parser":126}],84:[function(require,module,exports){
+},{"./on":121,"./socket":122,"./url":123,"backo2":48,"component-bind":52,"component-emitter":53,"debug":55,"engine.io-client":56,"indexof":76,"object-component":83,"socket.io-parser":125}],121:[function(require,module,exports){
 
 /**
  * Module exports.
@@ -24949,7 +30071,7 @@ function on(obj, ev, fn) {
   };
 }
 
-},{}],85:[function(require,module,exports){
+},{}],122:[function(require,module,exports){
 
 /**
  * Module dependencies.
@@ -25336,7 +30458,7 @@ Socket.prototype.disconnect = function(){
   return this;
 };
 
-},{"./on":84,"component-bind":88,"component-emitter":89,"debug":90,"has-binary":120,"socket.io-parser":126,"to-array":130}],86:[function(require,module,exports){
+},{"./on":121,"component-bind":52,"component-emitter":53,"debug":55,"has-binary":74,"socket.io-parser":125,"to-array":127}],123:[function(require,module,exports){
 (function (global){
 
 /**
@@ -25413,4472 +30535,7 @@ function url(uri, loc){
 }
 
 }).call(this,typeof global !== "undefined" ? global : typeof self !== "undefined" ? self : typeof window !== "undefined" ? window : {})
-},{"debug":90,"parseuri":124}],87:[function(require,module,exports){
-
-/**
- * Expose `Backoff`.
- */
-
-module.exports = Backoff;
-
-/**
- * Initialize backoff timer with `opts`.
- *
- * - `min` initial timeout in milliseconds [100]
- * - `max` max timeout [10000]
- * - `jitter` [0]
- * - `factor` [2]
- *
- * @param {Object} opts
- * @api public
- */
-
-function Backoff(opts) {
-  opts = opts || {};
-  this.ms = opts.min || 100;
-  this.max = opts.max || 10000;
-  this.factor = opts.factor || 2;
-  this.jitter = opts.jitter > 0 && opts.jitter <= 1 ? opts.jitter : 0;
-  this.attempts = 0;
-}
-
-/**
- * Return the backoff duration.
- *
- * @return {Number}
- * @api public
- */
-
-Backoff.prototype.duration = function(){
-  var ms = this.ms * Math.pow(this.factor, this.attempts++);
-  if (this.jitter) {
-    var rand =  Math.random();
-    var deviation = Math.floor(rand * this.jitter * ms);
-    ms = (Math.floor(rand * 10) & 1) == 0  ? ms - deviation : ms + deviation;
-  }
-  return Math.min(ms, this.max) | 0;
-};
-
-/**
- * Reset the number of attempts.
- *
- * @api public
- */
-
-Backoff.prototype.reset = function(){
-  this.attempts = 0;
-};
-
-/**
- * Set the minimum duration
- *
- * @api public
- */
-
-Backoff.prototype.setMin = function(min){
-  this.ms = min;
-};
-
-/**
- * Set the maximum duration
- *
- * @api public
- */
-
-Backoff.prototype.setMax = function(max){
-  this.max = max;
-};
-
-/**
- * Set the jitter
- *
- * @api public
- */
-
-Backoff.prototype.setJitter = function(jitter){
-  this.jitter = jitter;
-};
-
-
-},{}],88:[function(require,module,exports){
-/**
- * Slice reference.
- */
-
-var slice = [].slice;
-
-/**
- * Bind `obj` to `fn`.
- *
- * @param {Object} obj
- * @param {Function|String} fn or string
- * @return {Function}
- * @api public
- */
-
-module.exports = function(obj, fn){
-  if ('string' == typeof fn) fn = obj[fn];
-  if ('function' != typeof fn) throw new Error('bind() requires a function');
-  var args = slice.call(arguments, 2);
-  return function(){
-    return fn.apply(obj, args.concat(slice.call(arguments)));
-  }
-};
-
-},{}],89:[function(require,module,exports){
-
-/**
- * Expose `Emitter`.
- */
-
-module.exports = Emitter;
-
-/**
- * Initialize a new `Emitter`.
- *
- * @api public
- */
-
-function Emitter(obj) {
-  if (obj) return mixin(obj);
-};
-
-/**
- * Mixin the emitter properties.
- *
- * @param {Object} obj
- * @return {Object}
- * @api private
- */
-
-function mixin(obj) {
-  for (var key in Emitter.prototype) {
-    obj[key] = Emitter.prototype[key];
-  }
-  return obj;
-}
-
-/**
- * Listen on the given `event` with `fn`.
- *
- * @param {String} event
- * @param {Function} fn
- * @return {Emitter}
- * @api public
- */
-
-Emitter.prototype.on =
-Emitter.prototype.addEventListener = function(event, fn){
-  this._callbacks = this._callbacks || {};
-  (this._callbacks[event] = this._callbacks[event] || [])
-    .push(fn);
-  return this;
-};
-
-/**
- * Adds an `event` listener that will be invoked a single
- * time then automatically removed.
- *
- * @param {String} event
- * @param {Function} fn
- * @return {Emitter}
- * @api public
- */
-
-Emitter.prototype.once = function(event, fn){
-  var self = this;
-  this._callbacks = this._callbacks || {};
-
-  function on() {
-    self.off(event, on);
-    fn.apply(this, arguments);
-  }
-
-  on.fn = fn;
-  this.on(event, on);
-  return this;
-};
-
-/**
- * Remove the given callback for `event` or all
- * registered callbacks.
- *
- * @param {String} event
- * @param {Function} fn
- * @return {Emitter}
- * @api public
- */
-
-Emitter.prototype.off =
-Emitter.prototype.removeListener =
-Emitter.prototype.removeAllListeners =
-Emitter.prototype.removeEventListener = function(event, fn){
-  this._callbacks = this._callbacks || {};
-
-  // all
-  if (0 == arguments.length) {
-    this._callbacks = {};
-    return this;
-  }
-
-  // specific event
-  var callbacks = this._callbacks[event];
-  if (!callbacks) return this;
-
-  // remove all handlers
-  if (1 == arguments.length) {
-    delete this._callbacks[event];
-    return this;
-  }
-
-  // remove specific handler
-  var cb;
-  for (var i = 0; i < callbacks.length; i++) {
-    cb = callbacks[i];
-    if (cb === fn || cb.fn === fn) {
-      callbacks.splice(i, 1);
-      break;
-    }
-  }
-  return this;
-};
-
-/**
- * Emit `event` with the given args.
- *
- * @param {String} event
- * @param {Mixed} ...
- * @return {Emitter}
- */
-
-Emitter.prototype.emit = function(event){
-  this._callbacks = this._callbacks || {};
-  var args = [].slice.call(arguments, 1)
-    , callbacks = this._callbacks[event];
-
-  if (callbacks) {
-    callbacks = callbacks.slice(0);
-    for (var i = 0, len = callbacks.length; i < len; ++i) {
-      callbacks[i].apply(this, args);
-    }
-  }
-
-  return this;
-};
-
-/**
- * Return array of callbacks for `event`.
- *
- * @param {String} event
- * @return {Array}
- * @api public
- */
-
-Emitter.prototype.listeners = function(event){
-  this._callbacks = this._callbacks || {};
-  return this._callbacks[event] || [];
-};
-
-/**
- * Check if this emitter has `event` handlers.
- *
- * @param {String} event
- * @return {Boolean}
- * @api public
- */
-
-Emitter.prototype.hasListeners = function(event){
-  return !! this.listeners(event).length;
-};
-
-},{}],90:[function(require,module,exports){
-
-/**
- * Expose `debug()` as the module.
- */
-
-module.exports = debug;
-
-/**
- * Create a debugger with the given `name`.
- *
- * @param {String} name
- * @return {Type}
- * @api public
- */
-
-function debug(name) {
-  if (!debug.enabled(name)) return function(){};
-
-  return function(fmt){
-    fmt = coerce(fmt);
-
-    var curr = new Date;
-    var ms = curr - (debug[name] || curr);
-    debug[name] = curr;
-
-    fmt = name
-      + ' '
-      + fmt
-      + ' +' + debug.humanize(ms);
-
-    // This hackery is required for IE8
-    // where `console.log` doesn't have 'apply'
-    window.console
-      && console.log
-      && Function.prototype.apply.call(console.log, console, arguments);
-  }
-}
-
-/**
- * The currently active debug mode names.
- */
-
-debug.names = [];
-debug.skips = [];
-
-/**
- * Enables a debug mode by name. This can include modes
- * separated by a colon and wildcards.
- *
- * @param {String} name
- * @api public
- */
-
-debug.enable = function(name) {
-  try {
-    localStorage.debug = name;
-  } catch(e){}
-
-  var split = (name || '').split(/[\s,]+/)
-    , len = split.length;
-
-  for (var i = 0; i < len; i++) {
-    name = split[i].replace('*', '.*?');
-    if (name[0] === '-') {
-      debug.skips.push(new RegExp('^' + name.substr(1) + '$'));
-    }
-    else {
-      debug.names.push(new RegExp('^' + name + '$'));
-    }
-  }
-};
-
-/**
- * Disable debug output.
- *
- * @api public
- */
-
-debug.disable = function(){
-  debug.enable('');
-};
-
-/**
- * Humanize the given `ms`.
- *
- * @param {Number} m
- * @return {String}
- * @api private
- */
-
-debug.humanize = function(ms) {
-  var sec = 1000
-    , min = 60 * 1000
-    , hour = 60 * min;
-
-  if (ms >= hour) return (ms / hour).toFixed(1) + 'h';
-  if (ms >= min) return (ms / min).toFixed(1) + 'm';
-  if (ms >= sec) return (ms / sec | 0) + 's';
-  return ms + 'ms';
-};
-
-/**
- * Returns true if the given mode name is enabled, false otherwise.
- *
- * @param {String} name
- * @return {Boolean}
- * @api public
- */
-
-debug.enabled = function(name) {
-  for (var i = 0, len = debug.skips.length; i < len; i++) {
-    if (debug.skips[i].test(name)) {
-      return false;
-    }
-  }
-  for (var i = 0, len = debug.names.length; i < len; i++) {
-    if (debug.names[i].test(name)) {
-      return true;
-    }
-  }
-  return false;
-};
-
-/**
- * Coerce `val`.
- */
-
-function coerce(val) {
-  if (val instanceof Error) return val.stack || val.message;
-  return val;
-}
-
-// persist
-
-try {
-  if (window.localStorage) debug.enable(localStorage.debug);
-} catch(e){}
-
-},{}],91:[function(require,module,exports){
-
-module.exports =  require('./lib/');
-
-},{"./lib/":92}],92:[function(require,module,exports){
-
-module.exports = require('./socket');
-
-/**
- * Exports parser
- *
- * @api public
- *
- */
-module.exports.parser = require('engine.io-parser');
-
-},{"./socket":93,"engine.io-parser":105}],93:[function(require,module,exports){
-(function (global){
-/**
- * Module dependencies.
- */
-
-var transports = require('./transports');
-var Emitter = require('component-emitter');
-var debug = require('debug')('engine.io-client:socket');
-var index = require('indexof');
-var parser = require('engine.io-parser');
-var parseuri = require('parseuri');
-var parsejson = require('parsejson');
-var parseqs = require('parseqs');
-
-/**
- * Module exports.
- */
-
-module.exports = Socket;
-
-/**
- * Noop function.
- *
- * @api private
- */
-
-function noop(){}
-
-/**
- * Socket constructor.
- *
- * @param {String|Object} uri or options
- * @param {Object} options
- * @api public
- */
-
-function Socket(uri, opts){
-  if (!(this instanceof Socket)) return new Socket(uri, opts);
-
-  opts = opts || {};
-
-  if (uri && 'object' == typeof uri) {
-    opts = uri;
-    uri = null;
-  }
-
-  if (uri) {
-    uri = parseuri(uri);
-    opts.host = uri.host;
-    opts.secure = uri.protocol == 'https' || uri.protocol == 'wss';
-    opts.port = uri.port;
-    if (uri.query) opts.query = uri.query;
-  }
-
-  this.secure = null != opts.secure ? opts.secure :
-    (global.location && 'https:' == location.protocol);
-
-  if (opts.host) {
-    var pieces = opts.host.split(':');
-    opts.hostname = pieces.shift();
-    if (pieces.length) {
-      opts.port = pieces.pop();
-    } else if (!opts.port) {
-      // if no port is specified manually, use the protocol default
-      opts.port = this.secure ? '443' : '80';
-    }
-  }
-
-  this.agent = opts.agent || false;
-  this.hostname = opts.hostname ||
-    (global.location ? location.hostname : 'localhost');
-  this.port = opts.port || (global.location && location.port ?
-       location.port :
-       (this.secure ? 443 : 80));
-  this.query = opts.query || {};
-  if ('string' == typeof this.query) this.query = parseqs.decode(this.query);
-  this.upgrade = false !== opts.upgrade;
-  this.path = (opts.path || '/engine.io').replace(/\/$/, '') + '/';
-  this.forceJSONP = !!opts.forceJSONP;
-  this.jsonp = false !== opts.jsonp;
-  this.forceBase64 = !!opts.forceBase64;
-  this.enablesXDR = !!opts.enablesXDR;
-  this.timestampParam = opts.timestampParam || 't';
-  this.timestampRequests = opts.timestampRequests;
-  this.transports = opts.transports || ['polling', 'websocket'];
-  this.readyState = '';
-  this.writeBuffer = [];
-  this.callbackBuffer = [];
-  this.policyPort = opts.policyPort || 843;
-  this.rememberUpgrade = opts.rememberUpgrade || false;
-  this.binaryType = null;
-  this.onlyBinaryUpgrades = opts.onlyBinaryUpgrades;
-
-  // SSL options for Node.js client
-  this.pfx = opts.pfx || null;
-  this.key = opts.key || null;
-  this.passphrase = opts.passphrase || null;
-  this.cert = opts.cert || null;
-  this.ca = opts.ca || null;
-  this.ciphers = opts.ciphers || null;
-  this.rejectUnauthorized = opts.rejectUnauthorized || null;
-
-  this.open();
-}
-
-Socket.priorWebsocketSuccess = false;
-
-/**
- * Mix in `Emitter`.
- */
-
-Emitter(Socket.prototype);
-
-/**
- * Protocol version.
- *
- * @api public
- */
-
-Socket.protocol = parser.protocol; // this is an int
-
-/**
- * Expose deps for legacy compatibility
- * and standalone browser access.
- */
-
-Socket.Socket = Socket;
-Socket.Transport = require('./transport');
-Socket.transports = require('./transports');
-Socket.parser = require('engine.io-parser');
-
-/**
- * Creates transport of the given type.
- *
- * @param {String} transport name
- * @return {Transport}
- * @api private
- */
-
-Socket.prototype.createTransport = function (name) {
-  debug('creating transport "%s"', name);
-  var query = clone(this.query);
-
-  // append engine.io protocol identifier
-  query.EIO = parser.protocol;
-
-  // transport name
-  query.transport = name;
-
-  // session id if we already have one
-  if (this.id) query.sid = this.id;
-
-  var transport = new transports[name]({
-    agent: this.agent,
-    hostname: this.hostname,
-    port: this.port,
-    secure: this.secure,
-    path: this.path,
-    query: query,
-    forceJSONP: this.forceJSONP,
-    jsonp: this.jsonp,
-    forceBase64: this.forceBase64,
-    enablesXDR: this.enablesXDR,
-    timestampRequests: this.timestampRequests,
-    timestampParam: this.timestampParam,
-    policyPort: this.policyPort,
-    socket: this,
-    pfx: this.pfx,
-    key: this.key,
-    passphrase: this.passphrase,
-    cert: this.cert,
-    ca: this.ca,
-    ciphers: this.ciphers,
-    rejectUnauthorized: this.rejectUnauthorized
-  });
-
-  return transport;
-};
-
-function clone (obj) {
-  var o = {};
-  for (var i in obj) {
-    if (obj.hasOwnProperty(i)) {
-      o[i] = obj[i];
-    }
-  }
-  return o;
-}
-
-/**
- * Initializes transport to use and starts probe.
- *
- * @api private
- */
-Socket.prototype.open = function () {
-  var transport;
-  if (this.rememberUpgrade && Socket.priorWebsocketSuccess && this.transports.indexOf('websocket') != -1) {
-    transport = 'websocket';
-  } else if (0 == this.transports.length) {
-    // Emit error on next tick so it can be listened to
-    var self = this;
-    setTimeout(function() {
-      self.emit('error', 'No transports available');
-    }, 0);
-    return;
-  } else {
-    transport = this.transports[0];
-  }
-  this.readyState = 'opening';
-
-  // Retry with the next transport if the transport is disabled (jsonp: false)
-  var transport;
-  try {
-    transport = this.createTransport(transport);
-  } catch (e) {
-    this.transports.shift();
-    this.open();
-    return;
-  }
-
-  transport.open();
-  this.setTransport(transport);
-};
-
-/**
- * Sets the current transport. Disables the existing one (if any).
- *
- * @api private
- */
-
-Socket.prototype.setTransport = function(transport){
-  debug('setting transport %s', transport.name);
-  var self = this;
-
-  if (this.transport) {
-    debug('clearing existing transport %s', this.transport.name);
-    this.transport.removeAllListeners();
-  }
-
-  // set up transport
-  this.transport = transport;
-
-  // set up transport listeners
-  transport
-  .on('drain', function(){
-    self.onDrain();
-  })
-  .on('packet', function(packet){
-    self.onPacket(packet);
-  })
-  .on('error', function(e){
-    self.onError(e);
-  })
-  .on('close', function(){
-    self.onClose('transport close');
-  });
-};
-
-/**
- * Probes a transport.
- *
- * @param {String} transport name
- * @api private
- */
-
-Socket.prototype.probe = function (name) {
-  debug('probing transport "%s"', name);
-  var transport = this.createTransport(name, { probe: 1 })
-    , failed = false
-    , self = this;
-
-  Socket.priorWebsocketSuccess = false;
-
-  function onTransportOpen(){
-    if (self.onlyBinaryUpgrades) {
-      var upgradeLosesBinary = !this.supportsBinary && self.transport.supportsBinary;
-      failed = failed || upgradeLosesBinary;
-    }
-    if (failed) return;
-
-    debug('probe transport "%s" opened', name);
-    transport.send([{ type: 'ping', data: 'probe' }]);
-    transport.once('packet', function (msg) {
-      if (failed) return;
-      if ('pong' == msg.type && 'probe' == msg.data) {
-        debug('probe transport "%s" pong', name);
-        self.upgrading = true;
-        self.emit('upgrading', transport);
-        if (!transport) return;
-        Socket.priorWebsocketSuccess = 'websocket' == transport.name;
-
-        debug('pausing current transport "%s"', self.transport.name);
-        self.transport.pause(function () {
-          if (failed) return;
-          if ('closed' == self.readyState) return;
-          debug('changing transport and sending upgrade packet');
-
-          cleanup();
-
-          self.setTransport(transport);
-          transport.send([{ type: 'upgrade' }]);
-          self.emit('upgrade', transport);
-          transport = null;
-          self.upgrading = false;
-          self.flush();
-        });
-      } else {
-        debug('probe transport "%s" failed', name);
-        var err = new Error('probe error');
-        err.transport = transport.name;
-        self.emit('upgradeError', err);
-      }
-    });
-  }
-
-  function freezeTransport() {
-    if (failed) return;
-
-    // Any callback called by transport should be ignored since now
-    failed = true;
-
-    cleanup();
-
-    transport.close();
-    transport = null;
-  }
-
-  //Handle any error that happens while probing
-  function onerror(err) {
-    var error = new Error('probe error: ' + err);
-    error.transport = transport.name;
-
-    freezeTransport();
-
-    debug('probe transport "%s" failed because of error: %s', name, err);
-
-    self.emit('upgradeError', error);
-  }
-
-  function onTransportClose(){
-    onerror("transport closed");
-  }
-
-  //When the socket is closed while we're probing
-  function onclose(){
-    onerror("socket closed");
-  }
-
-  //When the socket is upgraded while we're probing
-  function onupgrade(to){
-    if (transport && to.name != transport.name) {
-      debug('"%s" works - aborting "%s"', to.name, transport.name);
-      freezeTransport();
-    }
-  }
-
-  //Remove all listeners on the transport and on self
-  function cleanup(){
-    transport.removeListener('open', onTransportOpen);
-    transport.removeListener('error', onerror);
-    transport.removeListener('close', onTransportClose);
-    self.removeListener('close', onclose);
-    self.removeListener('upgrading', onupgrade);
-  }
-
-  transport.once('open', onTransportOpen);
-  transport.once('error', onerror);
-  transport.once('close', onTransportClose);
-
-  this.once('close', onclose);
-  this.once('upgrading', onupgrade);
-
-  transport.open();
-
-};
-
-/**
- * Called when connection is deemed open.
- *
- * @api public
- */
-
-Socket.prototype.onOpen = function () {
-  debug('socket open');
-  this.readyState = 'open';
-  Socket.priorWebsocketSuccess = 'websocket' == this.transport.name;
-  this.emit('open');
-  this.flush();
-
-  // we check for `readyState` in case an `open`
-  // listener already closed the socket
-  if ('open' == this.readyState && this.upgrade && this.transport.pause) {
-    debug('starting upgrade probes');
-    for (var i = 0, l = this.upgrades.length; i < l; i++) {
-      this.probe(this.upgrades[i]);
-    }
-  }
-};
-
-/**
- * Handles a packet.
- *
- * @api private
- */
-
-Socket.prototype.onPacket = function (packet) {
-  if ('opening' == this.readyState || 'open' == this.readyState) {
-    debug('socket receive: type "%s", data "%s"', packet.type, packet.data);
-
-    this.emit('packet', packet);
-
-    // Socket is live - any packet counts
-    this.emit('heartbeat');
-
-    switch (packet.type) {
-      case 'open':
-        this.onHandshake(parsejson(packet.data));
-        break;
-
-      case 'pong':
-        this.setPing();
-        break;
-
-      case 'error':
-        var err = new Error('server error');
-        err.code = packet.data;
-        this.emit('error', err);
-        break;
-
-      case 'message':
-        this.emit('data', packet.data);
-        this.emit('message', packet.data);
-        break;
-    }
-  } else {
-    debug('packet received with socket readyState "%s"', this.readyState);
-  }
-};
-
-/**
- * Called upon handshake completion.
- *
- * @param {Object} handshake obj
- * @api private
- */
-
-Socket.prototype.onHandshake = function (data) {
-  this.emit('handshake', data);
-  this.id = data.sid;
-  this.transport.query.sid = data.sid;
-  this.upgrades = this.filterUpgrades(data.upgrades);
-  this.pingInterval = data.pingInterval;
-  this.pingTimeout = data.pingTimeout;
-  this.onOpen();
-  // In case open handler closes socket
-  if  ('closed' == this.readyState) return;
-  this.setPing();
-
-  // Prolong liveness of socket on heartbeat
-  this.removeListener('heartbeat', this.onHeartbeat);
-  this.on('heartbeat', this.onHeartbeat);
-};
-
-/**
- * Resets ping timeout.
- *
- * @api private
- */
-
-Socket.prototype.onHeartbeat = function (timeout) {
-  clearTimeout(this.pingTimeoutTimer);
-  var self = this;
-  self.pingTimeoutTimer = setTimeout(function () {
-    if ('closed' == self.readyState) return;
-    self.onClose('ping timeout');
-  }, timeout || (self.pingInterval + self.pingTimeout));
-};
-
-/**
- * Pings server every `this.pingInterval` and expects response
- * within `this.pingTimeout` or closes connection.
- *
- * @api private
- */
-
-Socket.prototype.setPing = function () {
-  var self = this;
-  clearTimeout(self.pingIntervalTimer);
-  self.pingIntervalTimer = setTimeout(function () {
-    debug('writing ping packet - expecting pong within %sms', self.pingTimeout);
-    self.ping();
-    self.onHeartbeat(self.pingTimeout);
-  }, self.pingInterval);
-};
-
-/**
-* Sends a ping packet.
-*
-* @api public
-*/
-
-Socket.prototype.ping = function () {
-  this.sendPacket('ping');
-};
-
-/**
- * Called on `drain` event
- *
- * @api private
- */
-
-Socket.prototype.onDrain = function() {
-  for (var i = 0; i < this.prevBufferLen; i++) {
-    if (this.callbackBuffer[i]) {
-      this.callbackBuffer[i]();
-    }
-  }
-
-  this.writeBuffer.splice(0, this.prevBufferLen);
-  this.callbackBuffer.splice(0, this.prevBufferLen);
-
-  // setting prevBufferLen = 0 is very important
-  // for example, when upgrading, upgrade packet is sent over,
-  // and a nonzero prevBufferLen could cause problems on `drain`
-  this.prevBufferLen = 0;
-
-  if (this.writeBuffer.length == 0) {
-    this.emit('drain');
-  } else {
-    this.flush();
-  }
-};
-
-/**
- * Flush write buffers.
- *
- * @api private
- */
-
-Socket.prototype.flush = function () {
-  if ('closed' != this.readyState && this.transport.writable &&
-    !this.upgrading && this.writeBuffer.length) {
-    debug('flushing %d packets in socket', this.writeBuffer.length);
-    this.transport.send(this.writeBuffer);
-    // keep track of current length of writeBuffer
-    // splice writeBuffer and callbackBuffer on `drain`
-    this.prevBufferLen = this.writeBuffer.length;
-    this.emit('flush');
-  }
-};
-
-/**
- * Sends a message.
- *
- * @param {String} message.
- * @param {Function} callback function.
- * @return {Socket} for chaining.
- * @api public
- */
-
-Socket.prototype.write =
-Socket.prototype.send = function (msg, fn) {
-  this.sendPacket('message', msg, fn);
-  return this;
-};
-
-/**
- * Sends a packet.
- *
- * @param {String} packet type.
- * @param {String} data.
- * @param {Function} callback function.
- * @api private
- */
-
-Socket.prototype.sendPacket = function (type, data, fn) {
-  if ('closing' == this.readyState || 'closed' == this.readyState) {
-    return;
-  }
-
-  var packet = { type: type, data: data };
-  this.emit('packetCreate', packet);
-  this.writeBuffer.push(packet);
-  this.callbackBuffer.push(fn);
-  this.flush();
-};
-
-/**
- * Closes the connection.
- *
- * @api private
- */
-
-Socket.prototype.close = function () {
-  if ('opening' == this.readyState || 'open' == this.readyState) {
-    this.readyState = 'closing';
-
-    var self = this;
-
-    function close() {
-      self.onClose('forced close');
-      debug('socket closing - telling transport to close');
-      self.transport.close();
-    }
-
-    function cleanupAndClose() {
-      self.removeListener('upgrade', cleanupAndClose);
-      self.removeListener('upgradeError', cleanupAndClose);
-      close();
-    }
-
-    function waitForUpgrade() {
-      // wait for upgrade to finish since we can't send packets while pausing a transport
-      self.once('upgrade', cleanupAndClose);
-      self.once('upgradeError', cleanupAndClose);
-    }
-
-    if (this.writeBuffer.length) {
-      this.once('drain', function() {
-        if (this.upgrading) {
-          waitForUpgrade();
-        } else {
-          close();
-        }
-      });
-    } else if (this.upgrading) {
-      waitForUpgrade();
-    } else {
-      close();
-    }
-  }
-
-  return this;
-};
-
-/**
- * Called upon transport error
- *
- * @api private
- */
-
-Socket.prototype.onError = function (err) {
-  debug('socket error %j', err);
-  Socket.priorWebsocketSuccess = false;
-  this.emit('error', err);
-  this.onClose('transport error', err);
-};
-
-/**
- * Called upon transport close.
- *
- * @api private
- */
-
-Socket.prototype.onClose = function (reason, desc) {
-  if ('opening' == this.readyState || 'open' == this.readyState || 'closing' == this.readyState) {
-    debug('socket close with reason: "%s"', reason);
-    var self = this;
-
-    // clear timers
-    clearTimeout(this.pingIntervalTimer);
-    clearTimeout(this.pingTimeoutTimer);
-
-    // clean buffers in next tick, so developers can still
-    // grab the buffers on `close` event
-    setTimeout(function() {
-      self.writeBuffer = [];
-      self.callbackBuffer = [];
-      self.prevBufferLen = 0;
-    }, 0);
-
-    // stop event from firing again for transport
-    this.transport.removeAllListeners('close');
-
-    // ensure transport won't stay open
-    this.transport.close();
-
-    // ignore further transport communication
-    this.transport.removeAllListeners();
-
-    // set ready state
-    this.readyState = 'closed';
-
-    // clear session id
-    this.id = null;
-
-    // emit close event
-    this.emit('close', reason, desc);
-  }
-};
-
-/**
- * Filters upgrades, returning only those matching client transports.
- *
- * @param {Array} server upgrades
- * @api private
- *
- */
-
-Socket.prototype.filterUpgrades = function (upgrades) {
-  var filteredUpgrades = [];
-  for (var i = 0, j = upgrades.length; i<j; i++) {
-    if (~index(this.transports, upgrades[i])) filteredUpgrades.push(upgrades[i]);
-  }
-  return filteredUpgrades;
-};
-
-}).call(this,typeof global !== "undefined" ? global : typeof self !== "undefined" ? self : typeof window !== "undefined" ? window : {})
-},{"./transport":94,"./transports":95,"component-emitter":89,"debug":102,"engine.io-parser":105,"indexof":122,"parsejson":116,"parseqs":117,"parseuri":118}],94:[function(require,module,exports){
-/**
- * Module dependencies.
- */
-
-var parser = require('engine.io-parser');
-var Emitter = require('component-emitter');
-
-/**
- * Module exports.
- */
-
-module.exports = Transport;
-
-/**
- * Transport abstract constructor.
- *
- * @param {Object} options.
- * @api private
- */
-
-function Transport (opts) {
-  this.path = opts.path;
-  this.hostname = opts.hostname;
-  this.port = opts.port;
-  this.secure = opts.secure;
-  this.query = opts.query;
-  this.timestampParam = opts.timestampParam;
-  this.timestampRequests = opts.timestampRequests;
-  this.readyState = '';
-  this.agent = opts.agent || false;
-  this.socket = opts.socket;
-  this.enablesXDR = opts.enablesXDR;
-
-  // SSL options for Node.js client
-  this.pfx = opts.pfx;
-  this.key = opts.key;
-  this.passphrase = opts.passphrase;
-  this.cert = opts.cert;
-  this.ca = opts.ca;
-  this.ciphers = opts.ciphers;
-  this.rejectUnauthorized = opts.rejectUnauthorized;
-}
-
-/**
- * Mix in `Emitter`.
- */
-
-Emitter(Transport.prototype);
-
-/**
- * A counter used to prevent collisions in the timestamps used
- * for cache busting.
- */
-
-Transport.timestamps = 0;
-
-/**
- * Emits an error.
- *
- * @param {String} str
- * @return {Transport} for chaining
- * @api public
- */
-
-Transport.prototype.onError = function (msg, desc) {
-  var err = new Error(msg);
-  err.type = 'TransportError';
-  err.description = desc;
-  this.emit('error', err);
-  return this;
-};
-
-/**
- * Opens the transport.
- *
- * @api public
- */
-
-Transport.prototype.open = function () {
-  if ('closed' == this.readyState || '' == this.readyState) {
-    this.readyState = 'opening';
-    this.doOpen();
-  }
-
-  return this;
-};
-
-/**
- * Closes the transport.
- *
- * @api private
- */
-
-Transport.prototype.close = function () {
-  if ('opening' == this.readyState || 'open' == this.readyState) {
-    this.doClose();
-    this.onClose();
-  }
-
-  return this;
-};
-
-/**
- * Sends multiple packets.
- *
- * @param {Array} packets
- * @api private
- */
-
-Transport.prototype.send = function(packets){
-  if ('open' == this.readyState) {
-    this.write(packets);
-  } else {
-    throw new Error('Transport not open');
-  }
-};
-
-/**
- * Called upon open
- *
- * @api private
- */
-
-Transport.prototype.onOpen = function () {
-  this.readyState = 'open';
-  this.writable = true;
-  this.emit('open');
-};
-
-/**
- * Called with data.
- *
- * @param {String} data
- * @api private
- */
-
-Transport.prototype.onData = function(data){
-  var packet = parser.decodePacket(data, this.socket.binaryType);
-  this.onPacket(packet);
-};
-
-/**
- * Called with a decoded packet.
- */
-
-Transport.prototype.onPacket = function (packet) {
-  this.emit('packet', packet);
-};
-
-/**
- * Called upon close.
- *
- * @api private
- */
-
-Transport.prototype.onClose = function () {
-  this.readyState = 'closed';
-  this.emit('close');
-};
-
-},{"component-emitter":89,"engine.io-parser":105}],95:[function(require,module,exports){
-(function (global){
-/**
- * Module dependencies
- */
-
-var XMLHttpRequest = require('xmlhttprequest');
-var XHR = require('./polling-xhr');
-var JSONP = require('./polling-jsonp');
-var websocket = require('./websocket');
-
-/**
- * Export transports.
- */
-
-exports.polling = polling;
-exports.websocket = websocket;
-
-/**
- * Polling transport polymorphic constructor.
- * Decides on xhr vs jsonp based on feature detection.
- *
- * @api private
- */
-
-function polling(opts){
-  var xhr;
-  var xd = false;
-  var xs = false;
-  var jsonp = false !== opts.jsonp;
-
-  if (global.location) {
-    var isSSL = 'https:' == location.protocol;
-    var port = location.port;
-
-    // some user agents have empty `location.port`
-    if (!port) {
-      port = isSSL ? 443 : 80;
-    }
-
-    xd = opts.hostname != location.hostname || port != opts.port;
-    xs = opts.secure != isSSL;
-  }
-
-  opts.xdomain = xd;
-  opts.xscheme = xs;
-  xhr = new XMLHttpRequest(opts);
-
-  if ('open' in xhr && !opts.forceJSONP) {
-    return new XHR(opts);
-  } else {
-    if (!jsonp) throw new Error('JSONP disabled');
-    return new JSONP(opts);
-  }
-}
-
-}).call(this,typeof global !== "undefined" ? global : typeof self !== "undefined" ? self : typeof window !== "undefined" ? window : {})
-},{"./polling-jsonp":96,"./polling-xhr":97,"./websocket":99,"xmlhttprequest":100}],96:[function(require,module,exports){
-(function (global){
-
-/**
- * Module requirements.
- */
-
-var Polling = require('./polling');
-var inherit = require('component-inherit');
-
-/**
- * Module exports.
- */
-
-module.exports = JSONPPolling;
-
-/**
- * Cached regular expressions.
- */
-
-var rNewline = /\n/g;
-var rEscapedNewline = /\\n/g;
-
-/**
- * Global JSONP callbacks.
- */
-
-var callbacks;
-
-/**
- * Callbacks count.
- */
-
-var index = 0;
-
-/**
- * Noop.
- */
-
-function empty () { }
-
-/**
- * JSONP Polling constructor.
- *
- * @param {Object} opts.
- * @api public
- */
-
-function JSONPPolling (opts) {
-  Polling.call(this, opts);
-
-  this.query = this.query || {};
-
-  // define global callbacks array if not present
-  // we do this here (lazily) to avoid unneeded global pollution
-  if (!callbacks) {
-    // we need to consider multiple engines in the same page
-    if (!global.___eio) global.___eio = [];
-    callbacks = global.___eio;
-  }
-
-  // callback identifier
-  this.index = callbacks.length;
-
-  // add callback to jsonp global
-  var self = this;
-  callbacks.push(function (msg) {
-    self.onData(msg);
-  });
-
-  // append to query string
-  this.query.j = this.index;
-
-  // prevent spurious errors from being emitted when the window is unloaded
-  if (global.document && global.addEventListener) {
-    global.addEventListener('beforeunload', function () {
-      if (self.script) self.script.onerror = empty;
-    }, false);
-  }
-}
-
-/**
- * Inherits from Polling.
- */
-
-inherit(JSONPPolling, Polling);
-
-/*
- * JSONP only supports binary as base64 encoded strings
- */
-
-JSONPPolling.prototype.supportsBinary = false;
-
-/**
- * Closes the socket.
- *
- * @api private
- */
-
-JSONPPolling.prototype.doClose = function () {
-  if (this.script) {
-    this.script.parentNode.removeChild(this.script);
-    this.script = null;
-  }
-
-  if (this.form) {
-    this.form.parentNode.removeChild(this.form);
-    this.form = null;
-    this.iframe = null;
-  }
-
-  Polling.prototype.doClose.call(this);
-};
-
-/**
- * Starts a poll cycle.
- *
- * @api private
- */
-
-JSONPPolling.prototype.doPoll = function () {
-  var self = this;
-  var script = document.createElement('script');
-
-  if (this.script) {
-    this.script.parentNode.removeChild(this.script);
-    this.script = null;
-  }
-
-  script.async = true;
-  script.src = this.uri();
-  script.onerror = function(e){
-    self.onError('jsonp poll error',e);
-  };
-
-  var insertAt = document.getElementsByTagName('script')[0];
-  insertAt.parentNode.insertBefore(script, insertAt);
-  this.script = script;
-
-  var isUAgecko = 'undefined' != typeof navigator && /gecko/i.test(navigator.userAgent);
-  
-  if (isUAgecko) {
-    setTimeout(function () {
-      var iframe = document.createElement('iframe');
-      document.body.appendChild(iframe);
-      document.body.removeChild(iframe);
-    }, 100);
-  }
-};
-
-/**
- * Writes with a hidden iframe.
- *
- * @param {String} data to send
- * @param {Function} called upon flush.
- * @api private
- */
-
-JSONPPolling.prototype.doWrite = function (data, fn) {
-  var self = this;
-
-  if (!this.form) {
-    var form = document.createElement('form');
-    var area = document.createElement('textarea');
-    var id = this.iframeId = 'eio_iframe_' + this.index;
-    var iframe;
-
-    form.className = 'socketio';
-    form.style.position = 'absolute';
-    form.style.top = '-1000px';
-    form.style.left = '-1000px';
-    form.target = id;
-    form.method = 'POST';
-    form.setAttribute('accept-charset', 'utf-8');
-    area.name = 'd';
-    form.appendChild(area);
-    document.body.appendChild(form);
-
-    this.form = form;
-    this.area = area;
-  }
-
-  this.form.action = this.uri();
-
-  function complete () {
-    initIframe();
-    fn();
-  }
-
-  function initIframe () {
-    if (self.iframe) {
-      try {
-        self.form.removeChild(self.iframe);
-      } catch (e) {
-        self.onError('jsonp polling iframe removal error', e);
-      }
-    }
-
-    try {
-      // ie6 dynamic iframes with target="" support (thanks Chris Lambacher)
-      var html = '<iframe src="javascript:0" name="'+ self.iframeId +'">';
-      iframe = document.createElement(html);
-    } catch (e) {
-      iframe = document.createElement('iframe');
-      iframe.name = self.iframeId;
-      iframe.src = 'javascript:0';
-    }
-
-    iframe.id = self.iframeId;
-
-    self.form.appendChild(iframe);
-    self.iframe = iframe;
-  }
-
-  initIframe();
-
-  // escape \n to prevent it from being converted into \r\n by some UAs
-  // double escaping is required for escaped new lines because unescaping of new lines can be done safely on server-side
-  data = data.replace(rEscapedNewline, '\\\n');
-  this.area.value = data.replace(rNewline, '\\n');
-
-  try {
-    this.form.submit();
-  } catch(e) {}
-
-  if (this.iframe.attachEvent) {
-    this.iframe.onreadystatechange = function(){
-      if (self.iframe.readyState == 'complete') {
-        complete();
-      }
-    };
-  } else {
-    this.iframe.onload = complete;
-  }
-};
-
-}).call(this,typeof global !== "undefined" ? global : typeof self !== "undefined" ? self : typeof window !== "undefined" ? window : {})
-},{"./polling":98,"component-inherit":101}],97:[function(require,module,exports){
-(function (global){
-/**
- * Module requirements.
- */
-
-var XMLHttpRequest = require('xmlhttprequest');
-var Polling = require('./polling');
-var Emitter = require('component-emitter');
-var inherit = require('component-inherit');
-var debug = require('debug')('engine.io-client:polling-xhr');
-
-/**
- * Module exports.
- */
-
-module.exports = XHR;
-module.exports.Request = Request;
-
-/**
- * Empty function
- */
-
-function empty(){}
-
-/**
- * XHR Polling constructor.
- *
- * @param {Object} opts
- * @api public
- */
-
-function XHR(opts){
-  Polling.call(this, opts);
-
-  if (global.location) {
-    var isSSL = 'https:' == location.protocol;
-    var port = location.port;
-
-    // some user agents have empty `location.port`
-    if (!port) {
-      port = isSSL ? 443 : 80;
-    }
-
-    this.xd = opts.hostname != global.location.hostname ||
-      port != opts.port;
-    this.xs = opts.secure != isSSL;
-  }
-}
-
-/**
- * Inherits from Polling.
- */
-
-inherit(XHR, Polling);
-
-/**
- * XHR supports binary
- */
-
-XHR.prototype.supportsBinary = true;
-
-/**
- * Creates a request.
- *
- * @param {String} method
- * @api private
- */
-
-XHR.prototype.request = function(opts){
-  opts = opts || {};
-  opts.uri = this.uri();
-  opts.xd = this.xd;
-  opts.xs = this.xs;
-  opts.agent = this.agent || false;
-  opts.supportsBinary = this.supportsBinary;
-  opts.enablesXDR = this.enablesXDR;
-
-  // SSL options for Node.js client
-  opts.pfx = this.pfx;
-  opts.key = this.key;
-  opts.passphrase = this.passphrase;
-  opts.cert = this.cert;
-  opts.ca = this.ca;
-  opts.ciphers = this.ciphers;
-  opts.rejectUnauthorized = this.rejectUnauthorized;
-
-  return new Request(opts);
-};
-
-/**
- * Sends data.
- *
- * @param {String} data to send.
- * @param {Function} called upon flush.
- * @api private
- */
-
-XHR.prototype.doWrite = function(data, fn){
-  var isBinary = typeof data !== 'string' && data !== undefined;
-  var req = this.request({ method: 'POST', data: data, isBinary: isBinary });
-  var self = this;
-  req.on('success', fn);
-  req.on('error', function(err){
-    self.onError('xhr post error', err);
-  });
-  this.sendXhr = req;
-};
-
-/**
- * Starts a poll cycle.
- *
- * @api private
- */
-
-XHR.prototype.doPoll = function(){
-  debug('xhr poll');
-  var req = this.request();
-  var self = this;
-  req.on('data', function(data){
-    self.onData(data);
-  });
-  req.on('error', function(err){
-    self.onError('xhr poll error', err);
-  });
-  this.pollXhr = req;
-};
-
-/**
- * Request constructor
- *
- * @param {Object} options
- * @api public
- */
-
-function Request(opts){
-  this.method = opts.method || 'GET';
-  this.uri = opts.uri;
-  this.xd = !!opts.xd;
-  this.xs = !!opts.xs;
-  this.async = false !== opts.async;
-  this.data = undefined != opts.data ? opts.data : null;
-  this.agent = opts.agent;
-  this.isBinary = opts.isBinary;
-  this.supportsBinary = opts.supportsBinary;
-  this.enablesXDR = opts.enablesXDR;
-
-  // SSL options for Node.js client
-  this.pfx = opts.pfx;
-  this.key = opts.key;
-  this.passphrase = opts.passphrase;
-  this.cert = opts.cert;
-  this.ca = opts.ca;
-  this.ciphers = opts.ciphers;
-  this.rejectUnauthorized = opts.rejectUnauthorized;
-
-  this.create();
-}
-
-/**
- * Mix in `Emitter`.
- */
-
-Emitter(Request.prototype);
-
-/**
- * Creates the XHR object and sends the request.
- *
- * @api private
- */
-
-Request.prototype.create = function(){
-  var opts = { agent: this.agent, xdomain: this.xd, xscheme: this.xs, enablesXDR: this.enablesXDR };
-
-  // SSL options for Node.js client
-  opts.pfx = this.pfx;
-  opts.key = this.key;
-  opts.passphrase = this.passphrase;
-  opts.cert = this.cert;
-  opts.ca = this.ca;
-  opts.ciphers = this.ciphers;
-  opts.rejectUnauthorized = this.rejectUnauthorized;
-
-  var xhr = this.xhr = new XMLHttpRequest(opts);
-  var self = this;
-
-  try {
-    debug('xhr open %s: %s', this.method, this.uri);
-    xhr.open(this.method, this.uri, this.async);
-    if (this.supportsBinary) {
-      // This has to be done after open because Firefox is stupid
-      // http://stackoverflow.com/questions/13216903/get-binary-data-with-xmlhttprequest-in-a-firefox-extension
-      xhr.responseType = 'arraybuffer';
-    }
-
-    if ('POST' == this.method) {
-      try {
-        if (this.isBinary) {
-          xhr.setRequestHeader('Content-type', 'application/octet-stream');
-        } else {
-          xhr.setRequestHeader('Content-type', 'text/plain;charset=UTF-8');
-        }
-      } catch (e) {}
-    }
-
-    // ie6 check
-    if ('withCredentials' in xhr) {
-      xhr.withCredentials = true;
-    }
-
-    if (this.hasXDR()) {
-      xhr.onload = function(){
-        self.onLoad();
-      };
-      xhr.onerror = function(){
-        self.onError(xhr.responseText);
-      };
-    } else {
-      xhr.onreadystatechange = function(){
-        if (4 != xhr.readyState) return;
-        if (200 == xhr.status || 1223 == xhr.status) {
-          self.onLoad();
-        } else {
-          // make sure the `error` event handler that's user-set
-          // does not throw in the same tick and gets caught here
-          setTimeout(function(){
-            self.onError(xhr.status);
-          }, 0);
-        }
-      };
-    }
-
-    debug('xhr data %s', this.data);
-    xhr.send(this.data);
-  } catch (e) {
-    // Need to defer since .create() is called directly fhrom the constructor
-    // and thus the 'error' event can only be only bound *after* this exception
-    // occurs.  Therefore, also, we cannot throw here at all.
-    setTimeout(function() {
-      self.onError(e);
-    }, 0);
-    return;
-  }
-
-  if (global.document) {
-    this.index = Request.requestsCount++;
-    Request.requests[this.index] = this;
-  }
-};
-
-/**
- * Called upon successful response.
- *
- * @api private
- */
-
-Request.prototype.onSuccess = function(){
-  this.emit('success');
-  this.cleanup();
-};
-
-/**
- * Called if we have data.
- *
- * @api private
- */
-
-Request.prototype.onData = function(data){
-  this.emit('data', data);
-  this.onSuccess();
-};
-
-/**
- * Called upon error.
- *
- * @api private
- */
-
-Request.prototype.onError = function(err){
-  this.emit('error', err);
-  this.cleanup(true);
-};
-
-/**
- * Cleans up house.
- *
- * @api private
- */
-
-Request.prototype.cleanup = function(fromError){
-  if ('undefined' == typeof this.xhr || null === this.xhr) {
-    return;
-  }
-  // xmlhttprequest
-  if (this.hasXDR()) {
-    this.xhr.onload = this.xhr.onerror = empty;
-  } else {
-    this.xhr.onreadystatechange = empty;
-  }
-
-  if (fromError) {
-    try {
-      this.xhr.abort();
-    } catch(e) {}
-  }
-
-  if (global.document) {
-    delete Request.requests[this.index];
-  }
-
-  this.xhr = null;
-};
-
-/**
- * Called upon load.
- *
- * @api private
- */
-
-Request.prototype.onLoad = function(){
-  var data;
-  try {
-    var contentType;
-    try {
-      contentType = this.xhr.getResponseHeader('Content-Type').split(';')[0];
-    } catch (e) {}
-    if (contentType === 'application/octet-stream') {
-      data = this.xhr.response;
-    } else {
-      if (!this.supportsBinary) {
-        data = this.xhr.responseText;
-      } else {
-        data = 'ok';
-      }
-    }
-  } catch (e) {
-    this.onError(e);
-  }
-  if (null != data) {
-    this.onData(data);
-  }
-};
-
-/**
- * Check if it has XDomainRequest.
- *
- * @api private
- */
-
-Request.prototype.hasXDR = function(){
-  return 'undefined' !== typeof global.XDomainRequest && !this.xs && this.enablesXDR;
-};
-
-/**
- * Aborts the request.
- *
- * @api public
- */
-
-Request.prototype.abort = function(){
-  this.cleanup();
-};
-
-/**
- * Aborts pending requests when unloading the window. This is needed to prevent
- * memory leaks (e.g. when using IE) and to ensure that no spurious error is
- * emitted.
- */
-
-if (global.document) {
-  Request.requestsCount = 0;
-  Request.requests = {};
-  if (global.attachEvent) {
-    global.attachEvent('onunload', unloadHandler);
-  } else if (global.addEventListener) {
-    global.addEventListener('beforeunload', unloadHandler, false);
-  }
-}
-
-function unloadHandler() {
-  for (var i in Request.requests) {
-    if (Request.requests.hasOwnProperty(i)) {
-      Request.requests[i].abort();
-    }
-  }
-}
-
-}).call(this,typeof global !== "undefined" ? global : typeof self !== "undefined" ? self : typeof window !== "undefined" ? window : {})
-},{"./polling":98,"component-emitter":89,"component-inherit":101,"debug":102,"xmlhttprequest":100}],98:[function(require,module,exports){
-/**
- * Module dependencies.
- */
-
-var Transport = require('../transport');
-var parseqs = require('parseqs');
-var parser = require('engine.io-parser');
-var inherit = require('component-inherit');
-var debug = require('debug')('engine.io-client:polling');
-
-/**
- * Module exports.
- */
-
-module.exports = Polling;
-
-/**
- * Is XHR2 supported?
- */
-
-var hasXHR2 = (function() {
-  var XMLHttpRequest = require('xmlhttprequest');
-  var xhr = new XMLHttpRequest({ xdomain: false });
-  return null != xhr.responseType;
-})();
-
-/**
- * Polling interface.
- *
- * @param {Object} opts
- * @api private
- */
-
-function Polling(opts){
-  var forceBase64 = (opts && opts.forceBase64);
-  if (!hasXHR2 || forceBase64) {
-    this.supportsBinary = false;
-  }
-  Transport.call(this, opts);
-}
-
-/**
- * Inherits from Transport.
- */
-
-inherit(Polling, Transport);
-
-/**
- * Transport name.
- */
-
-Polling.prototype.name = 'polling';
-
-/**
- * Opens the socket (triggers polling). We write a PING message to determine
- * when the transport is open.
- *
- * @api private
- */
-
-Polling.prototype.doOpen = function(){
-  this.poll();
-};
-
-/**
- * Pauses polling.
- *
- * @param {Function} callback upon buffers are flushed and transport is paused
- * @api private
- */
-
-Polling.prototype.pause = function(onPause){
-  var pending = 0;
-  var self = this;
-
-  this.readyState = 'pausing';
-
-  function pause(){
-    debug('paused');
-    self.readyState = 'paused';
-    onPause();
-  }
-
-  if (this.polling || !this.writable) {
-    var total = 0;
-
-    if (this.polling) {
-      debug('we are currently polling - waiting to pause');
-      total++;
-      this.once('pollComplete', function(){
-        debug('pre-pause polling complete');
-        --total || pause();
-      });
-    }
-
-    if (!this.writable) {
-      debug('we are currently writing - waiting to pause');
-      total++;
-      this.once('drain', function(){
-        debug('pre-pause writing complete');
-        --total || pause();
-      });
-    }
-  } else {
-    pause();
-  }
-};
-
-/**
- * Starts polling cycle.
- *
- * @api public
- */
-
-Polling.prototype.poll = function(){
-  debug('polling');
-  this.polling = true;
-  this.doPoll();
-  this.emit('poll');
-};
-
-/**
- * Overloads onData to detect payloads.
- *
- * @api private
- */
-
-Polling.prototype.onData = function(data){
-  var self = this;
-  debug('polling got data %s', data);
-  var callback = function(packet, index, total) {
-    // if its the first message we consider the transport open
-    if ('opening' == self.readyState) {
-      self.onOpen();
-    }
-
-    // if its a close packet, we close the ongoing requests
-    if ('close' == packet.type) {
-      self.onClose();
-      return false;
-    }
-
-    // otherwise bypass onData and handle the message
-    self.onPacket(packet);
-  };
-
-  // decode payload
-  parser.decodePayload(data, this.socket.binaryType, callback);
-
-  // if an event did not trigger closing
-  if ('closed' != this.readyState) {
-    // if we got data we're not polling
-    this.polling = false;
-    this.emit('pollComplete');
-
-    if ('open' == this.readyState) {
-      this.poll();
-    } else {
-      debug('ignoring poll - transport state "%s"', this.readyState);
-    }
-  }
-};
-
-/**
- * For polling, send a close packet.
- *
- * @api private
- */
-
-Polling.prototype.doClose = function(){
-  var self = this;
-
-  function close(){
-    debug('writing close packet');
-    self.write([{ type: 'close' }]);
-  }
-
-  if ('open' == this.readyState) {
-    debug('transport open - closing');
-    close();
-  } else {
-    // in case we're trying to close while
-    // handshaking is in progress (GH-164)
-    debug('transport not open - deferring close');
-    this.once('open', close);
-  }
-};
-
-/**
- * Writes a packets payload.
- *
- * @param {Array} data packets
- * @param {Function} drain callback
- * @api private
- */
-
-Polling.prototype.write = function(packets){
-  var self = this;
-  this.writable = false;
-  var callbackfn = function() {
-    self.writable = true;
-    self.emit('drain');
-  };
-
-  var self = this;
-  parser.encodePayload(packets, this.supportsBinary, function(data) {
-    self.doWrite(data, callbackfn);
-  });
-};
-
-/**
- * Generates uri for connection.
- *
- * @api private
- */
-
-Polling.prototype.uri = function(){
-  var query = this.query || {};
-  var schema = this.secure ? 'https' : 'http';
-  var port = '';
-
-  // cache busting is forced
-  if (false !== this.timestampRequests) {
-    query[this.timestampParam] = +new Date + '-' + Transport.timestamps++;
-  }
-
-  if (!this.supportsBinary && !query.sid) {
-    query.b64 = 1;
-  }
-
-  query = parseqs.encode(query);
-
-  // avoid port if default for schema
-  if (this.port && (('https' == schema && this.port != 443) ||
-     ('http' == schema && this.port != 80))) {
-    port = ':' + this.port;
-  }
-
-  // prepend ? to query
-  if (query.length) {
-    query = '?' + query;
-  }
-
-  return schema + '://' + this.hostname + port + this.path + query;
-};
-
-},{"../transport":94,"component-inherit":101,"debug":102,"engine.io-parser":105,"parseqs":117,"xmlhttprequest":100}],99:[function(require,module,exports){
-/**
- * Module dependencies.
- */
-
-var Transport = require('../transport');
-var parser = require('engine.io-parser');
-var parseqs = require('parseqs');
-var inherit = require('component-inherit');
-var debug = require('debug')('engine.io-client:websocket');
-
-/**
- * `ws` exposes a WebSocket-compatible interface in
- * Node, or the `WebSocket` or `MozWebSocket` globals
- * in the browser.
- */
-
-var WebSocket = require('ws');
-
-/**
- * Module exports.
- */
-
-module.exports = WS;
-
-/**
- * WebSocket transport constructor.
- *
- * @api {Object} connection options
- * @api public
- */
-
-function WS(opts){
-  var forceBase64 = (opts && opts.forceBase64);
-  if (forceBase64) {
-    this.supportsBinary = false;
-  }
-  Transport.call(this, opts);
-}
-
-/**
- * Inherits from Transport.
- */
-
-inherit(WS, Transport);
-
-/**
- * Transport name.
- *
- * @api public
- */
-
-WS.prototype.name = 'websocket';
-
-/*
- * WebSockets support binary
- */
-
-WS.prototype.supportsBinary = true;
-
-/**
- * Opens socket.
- *
- * @api private
- */
-
-WS.prototype.doOpen = function(){
-  if (!this.check()) {
-    // let probe timeout
-    return;
-  }
-
-  var self = this;
-  var uri = this.uri();
-  var protocols = void(0);
-  var opts = { agent: this.agent };
-
-  // SSL options for Node.js client
-  opts.pfx = this.pfx;
-  opts.key = this.key;
-  opts.passphrase = this.passphrase;
-  opts.cert = this.cert;
-  opts.ca = this.ca;
-  opts.ciphers = this.ciphers;
-  opts.rejectUnauthorized = this.rejectUnauthorized;
-
-  this.ws = new WebSocket(uri, protocols, opts);
-
-  if (this.ws.binaryType === undefined) {
-    this.supportsBinary = false;
-  }
-
-  this.ws.binaryType = 'arraybuffer';
-  this.addEventListeners();
-};
-
-/**
- * Adds event listeners to the socket
- *
- * @api private
- */
-
-WS.prototype.addEventListeners = function(){
-  var self = this;
-
-  this.ws.onopen = function(){
-    self.onOpen();
-  };
-  this.ws.onclose = function(){
-    self.onClose();
-  };
-  this.ws.onmessage = function(ev){
-    self.onData(ev.data);
-  };
-  this.ws.onerror = function(e){
-    self.onError('websocket error', e);
-  };
-};
-
-/**
- * Override `onData` to use a timer on iOS.
- * See: https://gist.github.com/mloughran/2052006
- *
- * @api private
- */
-
-if ('undefined' != typeof navigator
-  && /iPad|iPhone|iPod/i.test(navigator.userAgent)) {
-  WS.prototype.onData = function(data){
-    var self = this;
-    setTimeout(function(){
-      Transport.prototype.onData.call(self, data);
-    }, 0);
-  };
-}
-
-/**
- * Writes data to socket.
- *
- * @param {Array} array of packets.
- * @api private
- */
-
-WS.prototype.write = function(packets){
-  var self = this;
-  this.writable = false;
-  // encodePacket efficient as it uses WS framing
-  // no need for encodePayload
-  for (var i = 0, l = packets.length; i < l; i++) {
-    parser.encodePacket(packets[i], this.supportsBinary, function(data) {
-      //Sometimes the websocket has already been closed but the browser didn't
-      //have a chance of informing us about it yet, in that case send will
-      //throw an error
-      try {
-        self.ws.send(data);
-      } catch (e){
-        debug('websocket closed before onclose event');
-      }
-    });
-  }
-
-  function ondrain() {
-    self.writable = true;
-    self.emit('drain');
-  }
-  // fake drain
-  // defer to next tick to allow Socket to clear writeBuffer
-  setTimeout(ondrain, 0);
-};
-
-/**
- * Called upon close
- *
- * @api private
- */
-
-WS.prototype.onClose = function(){
-  Transport.prototype.onClose.call(this);
-};
-
-/**
- * Closes socket.
- *
- * @api private
- */
-
-WS.prototype.doClose = function(){
-  if (typeof this.ws !== 'undefined') {
-    this.ws.close();
-  }
-};
-
-/**
- * Generates uri for connection.
- *
- * @api private
- */
-
-WS.prototype.uri = function(){
-  var query = this.query || {};
-  var schema = this.secure ? 'wss' : 'ws';
-  var port = '';
-
-  // avoid port if default for schema
-  if (this.port && (('wss' == schema && this.port != 443)
-    || ('ws' == schema && this.port != 80))) {
-    port = ':' + this.port;
-  }
-
-  // append timestamp to URI
-  if (this.timestampRequests) {
-    query[this.timestampParam] = +new Date;
-  }
-
-  // communicate binary support capabilities
-  if (!this.supportsBinary) {
-    query.b64 = 1;
-  }
-
-  query = parseqs.encode(query);
-
-  // prepend ? to query
-  if (query.length) {
-    query = '?' + query;
-  }
-
-  return schema + '://' + this.hostname + port + this.path + query;
-};
-
-/**
- * Feature detection for WebSocket.
- *
- * @return {Boolean} whether this transport is available.
- * @api public
- */
-
-WS.prototype.check = function(){
-  return !!WebSocket && !('__initialize' in WebSocket && this.name === WS.prototype.name);
-};
-
-},{"../transport":94,"component-inherit":101,"debug":102,"engine.io-parser":105,"parseqs":117,"ws":119}],100:[function(require,module,exports){
-// browser shim for xmlhttprequest module
-var hasCORS = require('has-cors');
-
-module.exports = function(opts) {
-  var xdomain = opts.xdomain;
-
-  // scheme must be same when usign XDomainRequest
-  // http://blogs.msdn.com/b/ieinternals/archive/2010/05/13/xdomainrequest-restrictions-limitations-and-workarounds.aspx
-  var xscheme = opts.xscheme;
-
-  // XDomainRequest has a flow of not sending cookie, therefore it should be disabled as a default.
-  // https://github.com/Automattic/engine.io-client/pull/217
-  var enablesXDR = opts.enablesXDR;
-
-  // XMLHttpRequest can be disabled on IE
-  try {
-    if ('undefined' != typeof XMLHttpRequest && (!xdomain || hasCORS)) {
-      return new XMLHttpRequest();
-    }
-  } catch (e) { }
-
-  // Use XDomainRequest for IE8 if enablesXDR is true
-  // because loading bar keeps flashing when using jsonp-polling
-  // https://github.com/yujiosaka/socke.io-ie8-loading-example
-  try {
-    if ('undefined' != typeof XDomainRequest && !xscheme && enablesXDR) {
-      return new XDomainRequest();
-    }
-  } catch (e) { }
-
-  if (!xdomain) {
-    try {
-      return new ActiveXObject('Microsoft.XMLHTTP');
-    } catch(e) { }
-  }
-}
-
-},{"has-cors":114}],101:[function(require,module,exports){
-
-module.exports = function(a, b){
-  var fn = function(){};
-  fn.prototype = b.prototype;
-  a.prototype = new fn;
-  a.prototype.constructor = a;
-};
-},{}],102:[function(require,module,exports){
-
-/**
- * This is the web browser implementation of `debug()`.
- *
- * Expose `debug()` as the module.
- */
-
-exports = module.exports = require('./debug');
-exports.log = log;
-exports.formatArgs = formatArgs;
-exports.save = save;
-exports.load = load;
-exports.useColors = useColors;
-
-/**
- * Colors.
- */
-
-exports.colors = [
-  'lightseagreen',
-  'forestgreen',
-  'goldenrod',
-  'dodgerblue',
-  'darkorchid',
-  'crimson'
-];
-
-/**
- * Currently only WebKit-based Web Inspectors, Firefox >= v31,
- * and the Firebug extension (any Firefox version) are known
- * to support "%c" CSS customizations.
- *
- * TODO: add a `localStorage` variable to explicitly enable/disable colors
- */
-
-function useColors() {
-  // is webkit? http://stackoverflow.com/a/16459606/376773
-  return ('WebkitAppearance' in document.documentElement.style) ||
-    // is firebug? http://stackoverflow.com/a/398120/376773
-    (window.console && (console.firebug || (console.exception && console.table))) ||
-    // is firefox >= v31?
-    // https://developer.mozilla.org/en-US/docs/Tools/Web_Console#Styling_messages
-    (navigator.userAgent.toLowerCase().match(/firefox\/(\d+)/) && parseInt(RegExp.$1, 10) >= 31);
-}
-
-/**
- * Map %j to `JSON.stringify()`, since no Web Inspectors do that by default.
- */
-
-exports.formatters.j = function(v) {
-  return JSON.stringify(v);
-};
-
-
-/**
- * Colorize log arguments if enabled.
- *
- * @api public
- */
-
-function formatArgs() {
-  var args = arguments;
-  var useColors = this.useColors;
-
-  args[0] = (useColors ? '%c' : '')
-    + this.namespace
-    + (useColors ? ' %c' : ' ')
-    + args[0]
-    + (useColors ? '%c ' : ' ')
-    + '+' + exports.humanize(this.diff);
-
-  if (!useColors) return args;
-
-  var c = 'color: ' + this.color;
-  args = [args[0], c, 'color: inherit'].concat(Array.prototype.slice.call(args, 1));
-
-  // the final "%c" is somewhat tricky, because there could be other
-  // arguments passed either before or after the %c, so we need to
-  // figure out the correct index to insert the CSS into
-  var index = 0;
-  var lastC = 0;
-  args[0].replace(/%[a-z%]/g, function(match) {
-    if ('%%' === match) return;
-    index++;
-    if ('%c' === match) {
-      // we only are interested in the *last* %c
-      // (the user may have provided their own)
-      lastC = index;
-    }
-  });
-
-  args.splice(lastC, 0, c);
-  return args;
-}
-
-/**
- * Invokes `console.log()` when available.
- * No-op when `console.log` is not a "function".
- *
- * @api public
- */
-
-function log() {
-  // This hackery is required for IE8,
-  // where the `console.log` function doesn't have 'apply'
-  return 'object' == typeof console
-    && 'function' == typeof console.log
-    && Function.prototype.apply.call(console.log, console, arguments);
-}
-
-/**
- * Save `namespaces`.
- *
- * @param {String} namespaces
- * @api private
- */
-
-function save(namespaces) {
-  try {
-    if (null == namespaces) {
-      localStorage.removeItem('debug');
-    } else {
-      localStorage.debug = namespaces;
-    }
-  } catch(e) {}
-}
-
-/**
- * Load `namespaces`.
- *
- * @return {String} returns the previously persisted debug modes
- * @api private
- */
-
-function load() {
-  var r;
-  try {
-    r = localStorage.debug;
-  } catch(e) {}
-  return r;
-}
-
-/**
- * Enable namespaces listed in `localStorage.debug` initially.
- */
-
-exports.enable(load());
-
-},{"./debug":103}],103:[function(require,module,exports){
-
-/**
- * This is the common logic for both the Node.js and web browser
- * implementations of `debug()`.
- *
- * Expose `debug()` as the module.
- */
-
-exports = module.exports = debug;
-exports.coerce = coerce;
-exports.disable = disable;
-exports.enable = enable;
-exports.enabled = enabled;
-exports.humanize = require('ms');
-
-/**
- * The currently active debug mode names, and names to skip.
- */
-
-exports.names = [];
-exports.skips = [];
-
-/**
- * Map of special "%n" handling functions, for the debug "format" argument.
- *
- * Valid key names are a single, lowercased letter, i.e. "n".
- */
-
-exports.formatters = {};
-
-/**
- * Previously assigned color.
- */
-
-var prevColor = 0;
-
-/**
- * Previous log timestamp.
- */
-
-var prevTime;
-
-/**
- * Select a color.
- *
- * @return {Number}
- * @api private
- */
-
-function selectColor() {
-  return exports.colors[prevColor++ % exports.colors.length];
-}
-
-/**
- * Create a debugger with the given `namespace`.
- *
- * @param {String} namespace
- * @return {Function}
- * @api public
- */
-
-function debug(namespace) {
-
-  // define the `disabled` version
-  function disabled() {
-  }
-  disabled.enabled = false;
-
-  // define the `enabled` version
-  function enabled() {
-
-    var self = enabled;
-
-    // set `diff` timestamp
-    var curr = +new Date();
-    var ms = curr - (prevTime || curr);
-    self.diff = ms;
-    self.prev = prevTime;
-    self.curr = curr;
-    prevTime = curr;
-
-    // add the `color` if not set
-    if (null == self.useColors) self.useColors = exports.useColors();
-    if (null == self.color && self.useColors) self.color = selectColor();
-
-    var args = Array.prototype.slice.call(arguments);
-
-    args[0] = exports.coerce(args[0]);
-
-    if ('string' !== typeof args[0]) {
-      // anything else let's inspect with %o
-      args = ['%o'].concat(args);
-    }
-
-    // apply any `formatters` transformations
-    var index = 0;
-    args[0] = args[0].replace(/%([a-z%])/g, function(match, format) {
-      // if we encounter an escaped % then don't increase the array index
-      if (match === '%%') return match;
-      index++;
-      var formatter = exports.formatters[format];
-      if ('function' === typeof formatter) {
-        var val = args[index];
-        match = formatter.call(self, val);
-
-        // now we need to remove `args[index]` since it's inlined in the `format`
-        args.splice(index, 1);
-        index--;
-      }
-      return match;
-    });
-
-    if ('function' === typeof exports.formatArgs) {
-      args = exports.formatArgs.apply(self, args);
-    }
-    var logFn = enabled.log || exports.log || console.log.bind(console);
-    logFn.apply(self, args);
-  }
-  enabled.enabled = true;
-
-  var fn = exports.enabled(namespace) ? enabled : disabled;
-
-  fn.namespace = namespace;
-
-  return fn;
-}
-
-/**
- * Enables a debug mode by namespaces. This can include modes
- * separated by a colon and wildcards.
- *
- * @param {String} namespaces
- * @api public
- */
-
-function enable(namespaces) {
-  exports.save(namespaces);
-
-  var split = (namespaces || '').split(/[\s,]+/);
-  var len = split.length;
-
-  for (var i = 0; i < len; i++) {
-    if (!split[i]) continue; // ignore empty strings
-    namespaces = split[i].replace(/\*/g, '.*?');
-    if (namespaces[0] === '-') {
-      exports.skips.push(new RegExp('^' + namespaces.substr(1) + '$'));
-    } else {
-      exports.names.push(new RegExp('^' + namespaces + '$'));
-    }
-  }
-}
-
-/**
- * Disable debug output.
- *
- * @api public
- */
-
-function disable() {
-  exports.enable('');
-}
-
-/**
- * Returns true if the given mode name is enabled, false otherwise.
- *
- * @param {String} name
- * @return {Boolean}
- * @api public
- */
-
-function enabled(name) {
-  var i, len;
-  for (i = 0, len = exports.skips.length; i < len; i++) {
-    if (exports.skips[i].test(name)) {
-      return false;
-    }
-  }
-  for (i = 0, len = exports.names.length; i < len; i++) {
-    if (exports.names[i].test(name)) {
-      return true;
-    }
-  }
-  return false;
-}
-
-/**
- * Coerce `val`.
- *
- * @param {Mixed} val
- * @return {Mixed}
- * @api private
- */
-
-function coerce(val) {
-  if (val instanceof Error) return val.stack || val.message;
-  return val;
-}
-
-},{"ms":104}],104:[function(require,module,exports){
-/**
- * Helpers.
- */
-
-var s = 1000;
-var m = s * 60;
-var h = m * 60;
-var d = h * 24;
-var y = d * 365.25;
-
-/**
- * Parse or format the given `val`.
- *
- * Options:
- *
- *  - `long` verbose formatting [false]
- *
- * @param {String|Number} val
- * @param {Object} options
- * @return {String|Number}
- * @api public
- */
-
-module.exports = function(val, options){
-  options = options || {};
-  if ('string' == typeof val) return parse(val);
-  return options.long
-    ? long(val)
-    : short(val);
-};
-
-/**
- * Parse the given `str` and return milliseconds.
- *
- * @param {String} str
- * @return {Number}
- * @api private
- */
-
-function parse(str) {
-  var match = /^((?:\d+)?\.?\d+) *(ms|seconds?|s|minutes?|m|hours?|h|days?|d|years?|y)?$/i.exec(str);
-  if (!match) return;
-  var n = parseFloat(match[1]);
-  var type = (match[2] || 'ms').toLowerCase();
-  switch (type) {
-    case 'years':
-    case 'year':
-    case 'y':
-      return n * y;
-    case 'days':
-    case 'day':
-    case 'd':
-      return n * d;
-    case 'hours':
-    case 'hour':
-    case 'h':
-      return n * h;
-    case 'minutes':
-    case 'minute':
-    case 'm':
-      return n * m;
-    case 'seconds':
-    case 'second':
-    case 's':
-      return n * s;
-    case 'ms':
-      return n;
-  }
-}
-
-/**
- * Short format for `ms`.
- *
- * @param {Number} ms
- * @return {String}
- * @api private
- */
-
-function short(ms) {
-  if (ms >= d) return Math.round(ms / d) + 'd';
-  if (ms >= h) return Math.round(ms / h) + 'h';
-  if (ms >= m) return Math.round(ms / m) + 'm';
-  if (ms >= s) return Math.round(ms / s) + 's';
-  return ms + 'ms';
-}
-
-/**
- * Long format for `ms`.
- *
- * @param {Number} ms
- * @return {String}
- * @api private
- */
-
-function long(ms) {
-  return plural(ms, d, 'day')
-    || plural(ms, h, 'hour')
-    || plural(ms, m, 'minute')
-    || plural(ms, s, 'second')
-    || ms + ' ms';
-}
-
-/**
- * Pluralization helper.
- */
-
-function plural(ms, n, name) {
-  if (ms < n) return;
-  if (ms < n * 1.5) return Math.floor(ms / n) + ' ' + name;
-  return Math.ceil(ms / n) + ' ' + name + 's';
-}
-
-},{}],105:[function(require,module,exports){
-(function (global){
-/**
- * Module dependencies.
- */
-
-var keys = require('./keys');
-var hasBinary = require('has-binary');
-var sliceBuffer = require('arraybuffer.slice');
-var base64encoder = require('base64-arraybuffer');
-var after = require('after');
-var utf8 = require('utf8');
-
-/**
- * Check if we are running an android browser. That requires us to use
- * ArrayBuffer with polling transports...
- *
- * http://ghinda.net/jpeg-blob-ajax-android/
- */
-
-var isAndroid = navigator.userAgent.match(/Android/i);
-
-/**
- * Check if we are running in PhantomJS.
- * Uploading a Blob with PhantomJS does not work correctly, as reported here:
- * https://github.com/ariya/phantomjs/issues/11395
- * @type boolean
- */
-var isPhantomJS = /PhantomJS/i.test(navigator.userAgent);
-
-/**
- * When true, avoids using Blobs to encode payloads.
- * @type boolean
- */
-var dontSendBlobs = isAndroid || isPhantomJS;
-
-/**
- * Current protocol version.
- */
-
-exports.protocol = 3;
-
-/**
- * Packet types.
- */
-
-var packets = exports.packets = {
-    open:     0    // non-ws
-  , close:    1    // non-ws
-  , ping:     2
-  , pong:     3
-  , message:  4
-  , upgrade:  5
-  , noop:     6
-};
-
-var packetslist = keys(packets);
-
-/**
- * Premade error packet.
- */
-
-var err = { type: 'error', data: 'parser error' };
-
-/**
- * Create a blob api even for blob builder when vendor prefixes exist
- */
-
-var Blob = require('blob');
-
-/**
- * Encodes a packet.
- *
- *     <packet type id> [ <data> ]
- *
- * Example:
- *
- *     5hello world
- *     3
- *     4
- *
- * Binary is encoded in an identical principle
- *
- * @api private
- */
-
-exports.encodePacket = function (packet, supportsBinary, utf8encode, callback) {
-  if ('function' == typeof supportsBinary) {
-    callback = supportsBinary;
-    supportsBinary = false;
-  }
-
-  if ('function' == typeof utf8encode) {
-    callback = utf8encode;
-    utf8encode = null;
-  }
-
-  var data = (packet.data === undefined)
-    ? undefined
-    : packet.data.buffer || packet.data;
-
-  if (global.ArrayBuffer && data instanceof ArrayBuffer) {
-    return encodeArrayBuffer(packet, supportsBinary, callback);
-  } else if (Blob && data instanceof global.Blob) {
-    return encodeBlob(packet, supportsBinary, callback);
-  }
-
-  // might be an object with { base64: true, data: dataAsBase64String }
-  if (data && data.base64) {
-    return encodeBase64Object(packet, callback);
-  }
-
-  // Sending data as a utf-8 string
-  var encoded = packets[packet.type];
-
-  // data fragment is optional
-  if (undefined !== packet.data) {
-    encoded += utf8encode ? utf8.encode(String(packet.data)) : String(packet.data);
-  }
-
-  return callback('' + encoded);
-
-};
-
-function encodeBase64Object(packet, callback) {
-  // packet data is an object { base64: true, data: dataAsBase64String }
-  var message = 'b' + exports.packets[packet.type] + packet.data.data;
-  return callback(message);
-}
-
-/**
- * Encode packet helpers for binary types
- */
-
-function encodeArrayBuffer(packet, supportsBinary, callback) {
-  if (!supportsBinary) {
-    return exports.encodeBase64Packet(packet, callback);
-  }
-
-  var data = packet.data;
-  var contentArray = new Uint8Array(data);
-  var resultBuffer = new Uint8Array(1 + data.byteLength);
-
-  resultBuffer[0] = packets[packet.type];
-  for (var i = 0; i < contentArray.length; i++) {
-    resultBuffer[i+1] = contentArray[i];
-  }
-
-  return callback(resultBuffer.buffer);
-}
-
-function encodeBlobAsArrayBuffer(packet, supportsBinary, callback) {
-  if (!supportsBinary) {
-    return exports.encodeBase64Packet(packet, callback);
-  }
-
-  var fr = new FileReader();
-  fr.onload = function() {
-    packet.data = fr.result;
-    exports.encodePacket(packet, supportsBinary, true, callback);
-  };
-  return fr.readAsArrayBuffer(packet.data);
-}
-
-function encodeBlob(packet, supportsBinary, callback) {
-  if (!supportsBinary) {
-    return exports.encodeBase64Packet(packet, callback);
-  }
-
-  if (dontSendBlobs) {
-    return encodeBlobAsArrayBuffer(packet, supportsBinary, callback);
-  }
-
-  var length = new Uint8Array(1);
-  length[0] = packets[packet.type];
-  var blob = new Blob([length.buffer, packet.data]);
-
-  return callback(blob);
-}
-
-/**
- * Encodes a packet with binary data in a base64 string
- *
- * @param {Object} packet, has `type` and `data`
- * @return {String} base64 encoded message
- */
-
-exports.encodeBase64Packet = function(packet, callback) {
-  var message = 'b' + exports.packets[packet.type];
-  if (Blob && packet.data instanceof Blob) {
-    var fr = new FileReader();
-    fr.onload = function() {
-      var b64 = fr.result.split(',')[1];
-      callback(message + b64);
-    };
-    return fr.readAsDataURL(packet.data);
-  }
-
-  var b64data;
-  try {
-    b64data = String.fromCharCode.apply(null, new Uint8Array(packet.data));
-  } catch (e) {
-    // iPhone Safari doesn't let you apply with typed arrays
-    var typed = new Uint8Array(packet.data);
-    var basic = new Array(typed.length);
-    for (var i = 0; i < typed.length; i++) {
-      basic[i] = typed[i];
-    }
-    b64data = String.fromCharCode.apply(null, basic);
-  }
-  message += global.btoa(b64data);
-  return callback(message);
-};
-
-/**
- * Decodes a packet. Changes format to Blob if requested.
- *
- * @return {Object} with `type` and `data` (if any)
- * @api private
- */
-
-exports.decodePacket = function (data, binaryType, utf8decode) {
-  // String data
-  if (typeof data == 'string' || data === undefined) {
-    if (data.charAt(0) == 'b') {
-      return exports.decodeBase64Packet(data.substr(1), binaryType);
-    }
-
-    if (utf8decode) {
-      try {
-        data = utf8.decode(data);
-      } catch (e) {
-        return err;
-      }
-    }
-    var type = data.charAt(0);
-
-    if (Number(type) != type || !packetslist[type]) {
-      return err;
-    }
-
-    if (data.length > 1) {
-      return { type: packetslist[type], data: data.substring(1) };
-    } else {
-      return { type: packetslist[type] };
-    }
-  }
-
-  var asArray = new Uint8Array(data);
-  var type = asArray[0];
-  var rest = sliceBuffer(data, 1);
-  if (Blob && binaryType === 'blob') {
-    rest = new Blob([rest]);
-  }
-  return { type: packetslist[type], data: rest };
-};
-
-/**
- * Decodes a packet encoded in a base64 string
- *
- * @param {String} base64 encoded message
- * @return {Object} with `type` and `data` (if any)
- */
-
-exports.decodeBase64Packet = function(msg, binaryType) {
-  var type = packetslist[msg.charAt(0)];
-  if (!global.ArrayBuffer) {
-    return { type: type, data: { base64: true, data: msg.substr(1) } };
-  }
-
-  var data = base64encoder.decode(msg.substr(1));
-
-  if (binaryType === 'blob' && Blob) {
-    data = new Blob([data]);
-  }
-
-  return { type: type, data: data };
-};
-
-/**
- * Encodes multiple messages (payload).
- *
- *     <length>:data
- *
- * Example:
- *
- *     11:hello world2:hi
- *
- * If any contents are binary, they will be encoded as base64 strings. Base64
- * encoded strings are marked with a b before the length specifier
- *
- * @param {Array} packets
- * @api private
- */
-
-exports.encodePayload = function (packets, supportsBinary, callback) {
-  if (typeof supportsBinary == 'function') {
-    callback = supportsBinary;
-    supportsBinary = null;
-  }
-
-  var isBinary = hasBinary(packets);
-
-  if (supportsBinary && isBinary) {
-    if (Blob && !dontSendBlobs) {
-      return exports.encodePayloadAsBlob(packets, callback);
-    }
-
-    return exports.encodePayloadAsArrayBuffer(packets, callback);
-  }
-
-  if (!packets.length) {
-    return callback('0:');
-  }
-
-  function setLengthHeader(message) {
-    return message.length + ':' + message;
-  }
-
-  function encodeOne(packet, doneCallback) {
-    exports.encodePacket(packet, !isBinary ? false : supportsBinary, true, function(message) {
-      doneCallback(null, setLengthHeader(message));
-    });
-  }
-
-  map(packets, encodeOne, function(err, results) {
-    return callback(results.join(''));
-  });
-};
-
-/**
- * Async array map using after
- */
-
-function map(ary, each, done) {
-  var result = new Array(ary.length);
-  var next = after(ary.length, done);
-
-  var eachWithIndex = function(i, el, cb) {
-    each(el, function(error, msg) {
-      result[i] = msg;
-      cb(error, result);
-    });
-  };
-
-  for (var i = 0; i < ary.length; i++) {
-    eachWithIndex(i, ary[i], next);
-  }
-}
-
-/*
- * Decodes data when a payload is maybe expected. Possible binary contents are
- * decoded from their base64 representation
- *
- * @param {String} data, callback method
- * @api public
- */
-
-exports.decodePayload = function (data, binaryType, callback) {
-  if (typeof data != 'string') {
-    return exports.decodePayloadAsBinary(data, binaryType, callback);
-  }
-
-  if (typeof binaryType === 'function') {
-    callback = binaryType;
-    binaryType = null;
-  }
-
-  var packet;
-  if (data == '') {
-    // parser error - ignoring payload
-    return callback(err, 0, 1);
-  }
-
-  var length = ''
-    , n, msg;
-
-  for (var i = 0, l = data.length; i < l; i++) {
-    var chr = data.charAt(i);
-
-    if (':' != chr) {
-      length += chr;
-    } else {
-      if ('' == length || (length != (n = Number(length)))) {
-        // parser error - ignoring payload
-        return callback(err, 0, 1);
-      }
-
-      msg = data.substr(i + 1, n);
-
-      if (length != msg.length) {
-        // parser error - ignoring payload
-        return callback(err, 0, 1);
-      }
-
-      if (msg.length) {
-        packet = exports.decodePacket(msg, binaryType, true);
-
-        if (err.type == packet.type && err.data == packet.data) {
-          // parser error in individual packet - ignoring payload
-          return callback(err, 0, 1);
-        }
-
-        var ret = callback(packet, i + n, l);
-        if (false === ret) return;
-      }
-
-      // advance cursor
-      i += n;
-      length = '';
-    }
-  }
-
-  if (length != '') {
-    // parser error - ignoring payload
-    return callback(err, 0, 1);
-  }
-
-};
-
-/**
- * Encodes multiple messages (payload) as binary.
- *
- * <1 = binary, 0 = string><number from 0-9><number from 0-9>[...]<number
- * 255><data>
- *
- * Example:
- * 1 3 255 1 2 3, if the binary contents are interpreted as 8 bit integers
- *
- * @param {Array} packets
- * @return {ArrayBuffer} encoded payload
- * @api private
- */
-
-exports.encodePayloadAsArrayBuffer = function(packets, callback) {
-  if (!packets.length) {
-    return callback(new ArrayBuffer(0));
-  }
-
-  function encodeOne(packet, doneCallback) {
-    exports.encodePacket(packet, true, true, function(data) {
-      return doneCallback(null, data);
-    });
-  }
-
-  map(packets, encodeOne, function(err, encodedPackets) {
-    var totalLength = encodedPackets.reduce(function(acc, p) {
-      var len;
-      if (typeof p === 'string'){
-        len = p.length;
-      } else {
-        len = p.byteLength;
-      }
-      return acc + len.toString().length + len + 2; // string/binary identifier + separator = 2
-    }, 0);
-
-    var resultArray = new Uint8Array(totalLength);
-
-    var bufferIndex = 0;
-    encodedPackets.forEach(function(p) {
-      var isString = typeof p === 'string';
-      var ab = p;
-      if (isString) {
-        var view = new Uint8Array(p.length);
-        for (var i = 0; i < p.length; i++) {
-          view[i] = p.charCodeAt(i);
-        }
-        ab = view.buffer;
-      }
-
-      if (isString) { // not true binary
-        resultArray[bufferIndex++] = 0;
-      } else { // true binary
-        resultArray[bufferIndex++] = 1;
-      }
-
-      var lenStr = ab.byteLength.toString();
-      for (var i = 0; i < lenStr.length; i++) {
-        resultArray[bufferIndex++] = parseInt(lenStr[i]);
-      }
-      resultArray[bufferIndex++] = 255;
-
-      var view = new Uint8Array(ab);
-      for (var i = 0; i < view.length; i++) {
-        resultArray[bufferIndex++] = view[i];
-      }
-    });
-
-    return callback(resultArray.buffer);
-  });
-};
-
-/**
- * Encode as Blob
- */
-
-exports.encodePayloadAsBlob = function(packets, callback) {
-  function encodeOne(packet, doneCallback) {
-    exports.encodePacket(packet, true, true, function(encoded) {
-      var binaryIdentifier = new Uint8Array(1);
-      binaryIdentifier[0] = 1;
-      if (typeof encoded === 'string') {
-        var view = new Uint8Array(encoded.length);
-        for (var i = 0; i < encoded.length; i++) {
-          view[i] = encoded.charCodeAt(i);
-        }
-        encoded = view.buffer;
-        binaryIdentifier[0] = 0;
-      }
-
-      var len = (encoded instanceof ArrayBuffer)
-        ? encoded.byteLength
-        : encoded.size;
-
-      var lenStr = len.toString();
-      var lengthAry = new Uint8Array(lenStr.length + 1);
-      for (var i = 0; i < lenStr.length; i++) {
-        lengthAry[i] = parseInt(lenStr[i]);
-      }
-      lengthAry[lenStr.length] = 255;
-
-      if (Blob) {
-        var blob = new Blob([binaryIdentifier.buffer, lengthAry.buffer, encoded]);
-        doneCallback(null, blob);
-      }
-    });
-  }
-
-  map(packets, encodeOne, function(err, results) {
-    return callback(new Blob(results));
-  });
-};
-
-/*
- * Decodes data when a payload is maybe expected. Strings are decoded by
- * interpreting each byte as a key code for entries marked to start with 0. See
- * description of encodePayloadAsBinary
- *
- * @param {ArrayBuffer} data, callback method
- * @api public
- */
-
-exports.decodePayloadAsBinary = function (data, binaryType, callback) {
-  if (typeof binaryType === 'function') {
-    callback = binaryType;
-    binaryType = null;
-  }
-
-  var bufferTail = data;
-  var buffers = [];
-
-  var numberTooLong = false;
-  while (bufferTail.byteLength > 0) {
-    var tailArray = new Uint8Array(bufferTail);
-    var isString = tailArray[0] === 0;
-    var msgLength = '';
-
-    for (var i = 1; ; i++) {
-      if (tailArray[i] == 255) break;
-
-      if (msgLength.length > 310) {
-        numberTooLong = true;
-        break;
-      }
-
-      msgLength += tailArray[i];
-    }
-
-    if(numberTooLong) return callback(err, 0, 1);
-
-    bufferTail = sliceBuffer(bufferTail, 2 + msgLength.length);
-    msgLength = parseInt(msgLength);
-
-    var msg = sliceBuffer(bufferTail, 0, msgLength);
-    if (isString) {
-      try {
-        msg = String.fromCharCode.apply(null, new Uint8Array(msg));
-      } catch (e) {
-        // iPhone Safari doesn't let you apply to typed arrays
-        var typed = new Uint8Array(msg);
-        msg = '';
-        for (var i = 0; i < typed.length; i++) {
-          msg += String.fromCharCode(typed[i]);
-        }
-      }
-    }
-
-    buffers.push(msg);
-    bufferTail = sliceBuffer(bufferTail, msgLength);
-  }
-
-  var total = buffers.length;
-  buffers.forEach(function(buffer, i) {
-    callback(exports.decodePacket(buffer, binaryType, true), i, total);
-  });
-};
-
-}).call(this,typeof global !== "undefined" ? global : typeof self !== "undefined" ? self : typeof window !== "undefined" ? window : {})
-},{"./keys":106,"after":107,"arraybuffer.slice":108,"base64-arraybuffer":109,"blob":110,"has-binary":111,"utf8":113}],106:[function(require,module,exports){
-
-/**
- * Gets the keys for an object.
- *
- * @return {Array} keys
- * @api private
- */
-
-module.exports = Object.keys || function keys (obj){
-  var arr = [];
-  var has = Object.prototype.hasOwnProperty;
-
-  for (var i in obj) {
-    if (has.call(obj, i)) {
-      arr.push(i);
-    }
-  }
-  return arr;
-};
-
-},{}],107:[function(require,module,exports){
-module.exports = after
-
-function after(count, callback, err_cb) {
-    var bail = false
-    err_cb = err_cb || noop
-    proxy.count = count
-
-    return (count === 0) ? callback() : proxy
-
-    function proxy(err, result) {
-        if (proxy.count <= 0) {
-            throw new Error('after called too many times')
-        }
-        --proxy.count
-
-        // after first error, rest are passed to err_cb
-        if (err) {
-            bail = true
-            callback(err)
-            // future error callbacks will go to error handler
-            callback = err_cb
-        } else if (proxy.count === 0 && !bail) {
-            callback(null, result)
-        }
-    }
-}
-
-function noop() {}
-
-},{}],108:[function(require,module,exports){
-/**
- * An abstraction for slicing an arraybuffer even when
- * ArrayBuffer.prototype.slice is not supported
- *
- * @api public
- */
-
-module.exports = function(arraybuffer, start, end) {
-  var bytes = arraybuffer.byteLength;
-  start = start || 0;
-  end = end || bytes;
-
-  if (arraybuffer.slice) { return arraybuffer.slice(start, end); }
-
-  if (start < 0) { start += bytes; }
-  if (end < 0) { end += bytes; }
-  if (end > bytes) { end = bytes; }
-
-  if (start >= bytes || start >= end || bytes === 0) {
-    return new ArrayBuffer(0);
-  }
-
-  var abv = new Uint8Array(arraybuffer);
-  var result = new Uint8Array(end - start);
-  for (var i = start, ii = 0; i < end; i++, ii++) {
-    result[ii] = abv[i];
-  }
-  return result.buffer;
-};
-
-},{}],109:[function(require,module,exports){
-/*
- * base64-arraybuffer
- * https://github.com/niklasvh/base64-arraybuffer
- *
- * Copyright (c) 2012 Niklas von Hertzen
- * Licensed under the MIT license.
- */
-(function(chars){
-  "use strict";
-
-  exports.encode = function(arraybuffer) {
-    var bytes = new Uint8Array(arraybuffer),
-    i, len = bytes.length, base64 = "";
-
-    for (i = 0; i < len; i+=3) {
-      base64 += chars[bytes[i] >> 2];
-      base64 += chars[((bytes[i] & 3) << 4) | (bytes[i + 1] >> 4)];
-      base64 += chars[((bytes[i + 1] & 15) << 2) | (bytes[i + 2] >> 6)];
-      base64 += chars[bytes[i + 2] & 63];
-    }
-
-    if ((len % 3) === 2) {
-      base64 = base64.substring(0, base64.length - 1) + "=";
-    } else if (len % 3 === 1) {
-      base64 = base64.substring(0, base64.length - 2) + "==";
-    }
-
-    return base64;
-  };
-
-  exports.decode =  function(base64) {
-    var bufferLength = base64.length * 0.75,
-    len = base64.length, i, p = 0,
-    encoded1, encoded2, encoded3, encoded4;
-
-    if (base64[base64.length - 1] === "=") {
-      bufferLength--;
-      if (base64[base64.length - 2] === "=") {
-        bufferLength--;
-      }
-    }
-
-    var arraybuffer = new ArrayBuffer(bufferLength),
-    bytes = new Uint8Array(arraybuffer);
-
-    for (i = 0; i < len; i+=4) {
-      encoded1 = chars.indexOf(base64[i]);
-      encoded2 = chars.indexOf(base64[i+1]);
-      encoded3 = chars.indexOf(base64[i+2]);
-      encoded4 = chars.indexOf(base64[i+3]);
-
-      bytes[p++] = (encoded1 << 2) | (encoded2 >> 4);
-      bytes[p++] = ((encoded2 & 15) << 4) | (encoded3 >> 2);
-      bytes[p++] = ((encoded3 & 3) << 6) | (encoded4 & 63);
-    }
-
-    return arraybuffer;
-  };
-})("ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/");
-
-},{}],110:[function(require,module,exports){
-(function (global){
-/**
- * Create a blob builder even when vendor prefixes exist
- */
-
-var BlobBuilder = global.BlobBuilder
-  || global.WebKitBlobBuilder
-  || global.MSBlobBuilder
-  || global.MozBlobBuilder;
-
-/**
- * Check if Blob constructor is supported
- */
-
-var blobSupported = (function() {
-  try {
-    var b = new Blob(['hi']);
-    return b.size == 2;
-  } catch(e) {
-    return false;
-  }
-})();
-
-/**
- * Check if BlobBuilder is supported
- */
-
-var blobBuilderSupported = BlobBuilder
-  && BlobBuilder.prototype.append
-  && BlobBuilder.prototype.getBlob;
-
-function BlobBuilderConstructor(ary, options) {
-  options = options || {};
-
-  var bb = new BlobBuilder();
-  for (var i = 0; i < ary.length; i++) {
-    bb.append(ary[i]);
-  }
-  return (options.type) ? bb.getBlob(options.type) : bb.getBlob();
-};
-
-module.exports = (function() {
-  if (blobSupported) {
-    return global.Blob;
-  } else if (blobBuilderSupported) {
-    return BlobBuilderConstructor;
-  } else {
-    return undefined;
-  }
-})();
-
-}).call(this,typeof global !== "undefined" ? global : typeof self !== "undefined" ? self : typeof window !== "undefined" ? window : {})
-},{}],111:[function(require,module,exports){
-(function (global){
-
-/*
- * Module requirements.
- */
-
-var isArray = require('isarray');
-
-/**
- * Module exports.
- */
-
-module.exports = hasBinary;
-
-/**
- * Checks for binary data.
- *
- * Right now only Buffer and ArrayBuffer are supported..
- *
- * @param {Object} anything
- * @api public
- */
-
-function hasBinary(data) {
-
-  function _hasBinary(obj) {
-    if (!obj) return false;
-
-    if ( (global.Buffer && global.Buffer.isBuffer(obj)) ||
-         (global.ArrayBuffer && obj instanceof ArrayBuffer) ||
-         (global.Blob && obj instanceof Blob) ||
-         (global.File && obj instanceof File)
-        ) {
-      return true;
-    }
-
-    if (isArray(obj)) {
-      for (var i = 0; i < obj.length; i++) {
-          if (_hasBinary(obj[i])) {
-              return true;
-          }
-      }
-    } else if (obj && 'object' == typeof obj) {
-      if (obj.toJSON) {
-        obj = obj.toJSON();
-      }
-
-      for (var key in obj) {
-        if (obj.hasOwnProperty(key) && _hasBinary(obj[key])) {
-          return true;
-        }
-      }
-    }
-
-    return false;
-  }
-
-  return _hasBinary(data);
-}
-
-}).call(this,typeof global !== "undefined" ? global : typeof self !== "undefined" ? self : typeof window !== "undefined" ? window : {})
-},{"isarray":112}],112:[function(require,module,exports){
-module.exports = Array.isArray || function (arr) {
-  return Object.prototype.toString.call(arr) == '[object Array]';
-};
-
-},{}],113:[function(require,module,exports){
-(function (global){
-/*! http://mths.be/utf8js v2.0.0 by @mathias */
-;(function(root) {
-
-	// Detect free variables `exports`
-	var freeExports = typeof exports == 'object' && exports;
-
-	// Detect free variable `module`
-	var freeModule = typeof module == 'object' && module &&
-		module.exports == freeExports && module;
-
-	// Detect free variable `global`, from Node.js or Browserified code,
-	// and use it as `root`
-	var freeGlobal = typeof global == 'object' && global;
-	if (freeGlobal.global === freeGlobal || freeGlobal.window === freeGlobal) {
-		root = freeGlobal;
-	}
-
-	/*--------------------------------------------------------------------------*/
-
-	var stringFromCharCode = String.fromCharCode;
-
-	// Taken from http://mths.be/punycode
-	function ucs2decode(string) {
-		var output = [];
-		var counter = 0;
-		var length = string.length;
-		var value;
-		var extra;
-		while (counter < length) {
-			value = string.charCodeAt(counter++);
-			if (value >= 0xD800 && value <= 0xDBFF && counter < length) {
-				// high surrogate, and there is a next character
-				extra = string.charCodeAt(counter++);
-				if ((extra & 0xFC00) == 0xDC00) { // low surrogate
-					output.push(((value & 0x3FF) << 10) + (extra & 0x3FF) + 0x10000);
-				} else {
-					// unmatched surrogate; only append this code unit, in case the next
-					// code unit is the high surrogate of a surrogate pair
-					output.push(value);
-					counter--;
-				}
-			} else {
-				output.push(value);
-			}
-		}
-		return output;
-	}
-
-	// Taken from http://mths.be/punycode
-	function ucs2encode(array) {
-		var length = array.length;
-		var index = -1;
-		var value;
-		var output = '';
-		while (++index < length) {
-			value = array[index];
-			if (value > 0xFFFF) {
-				value -= 0x10000;
-				output += stringFromCharCode(value >>> 10 & 0x3FF | 0xD800);
-				value = 0xDC00 | value & 0x3FF;
-			}
-			output += stringFromCharCode(value);
-		}
-		return output;
-	}
-
-	/*--------------------------------------------------------------------------*/
-
-	function createByte(codePoint, shift) {
-		return stringFromCharCode(((codePoint >> shift) & 0x3F) | 0x80);
-	}
-
-	function encodeCodePoint(codePoint) {
-		if ((codePoint & 0xFFFFFF80) == 0) { // 1-byte sequence
-			return stringFromCharCode(codePoint);
-		}
-		var symbol = '';
-		if ((codePoint & 0xFFFFF800) == 0) { // 2-byte sequence
-			symbol = stringFromCharCode(((codePoint >> 6) & 0x1F) | 0xC0);
-		}
-		else if ((codePoint & 0xFFFF0000) == 0) { // 3-byte sequence
-			symbol = stringFromCharCode(((codePoint >> 12) & 0x0F) | 0xE0);
-			symbol += createByte(codePoint, 6);
-		}
-		else if ((codePoint & 0xFFE00000) == 0) { // 4-byte sequence
-			symbol = stringFromCharCode(((codePoint >> 18) & 0x07) | 0xF0);
-			symbol += createByte(codePoint, 12);
-			symbol += createByte(codePoint, 6);
-		}
-		symbol += stringFromCharCode((codePoint & 0x3F) | 0x80);
-		return symbol;
-	}
-
-	function utf8encode(string) {
-		var codePoints = ucs2decode(string);
-
-		// console.log(JSON.stringify(codePoints.map(function(x) {
-		// 	return 'U+' + x.toString(16).toUpperCase();
-		// })));
-
-		var length = codePoints.length;
-		var index = -1;
-		var codePoint;
-		var byteString = '';
-		while (++index < length) {
-			codePoint = codePoints[index];
-			byteString += encodeCodePoint(codePoint);
-		}
-		return byteString;
-	}
-
-	/*--------------------------------------------------------------------------*/
-
-	function readContinuationByte() {
-		if (byteIndex >= byteCount) {
-			throw Error('Invalid byte index');
-		}
-
-		var continuationByte = byteArray[byteIndex] & 0xFF;
-		byteIndex++;
-
-		if ((continuationByte & 0xC0) == 0x80) {
-			return continuationByte & 0x3F;
-		}
-
-		// If we end up here, it’s not a continuation byte
-		throw Error('Invalid continuation byte');
-	}
-
-	function decodeSymbol() {
-		var byte1;
-		var byte2;
-		var byte3;
-		var byte4;
-		var codePoint;
-
-		if (byteIndex > byteCount) {
-			throw Error('Invalid byte index');
-		}
-
-		if (byteIndex == byteCount) {
-			return false;
-		}
-
-		// Read first byte
-		byte1 = byteArray[byteIndex] & 0xFF;
-		byteIndex++;
-
-		// 1-byte sequence (no continuation bytes)
-		if ((byte1 & 0x80) == 0) {
-			return byte1;
-		}
-
-		// 2-byte sequence
-		if ((byte1 & 0xE0) == 0xC0) {
-			var byte2 = readContinuationByte();
-			codePoint = ((byte1 & 0x1F) << 6) | byte2;
-			if (codePoint >= 0x80) {
-				return codePoint;
-			} else {
-				throw Error('Invalid continuation byte');
-			}
-		}
-
-		// 3-byte sequence (may include unpaired surrogates)
-		if ((byte1 & 0xF0) == 0xE0) {
-			byte2 = readContinuationByte();
-			byte3 = readContinuationByte();
-			codePoint = ((byte1 & 0x0F) << 12) | (byte2 << 6) | byte3;
-			if (codePoint >= 0x0800) {
-				return codePoint;
-			} else {
-				throw Error('Invalid continuation byte');
-			}
-		}
-
-		// 4-byte sequence
-		if ((byte1 & 0xF8) == 0xF0) {
-			byte2 = readContinuationByte();
-			byte3 = readContinuationByte();
-			byte4 = readContinuationByte();
-			codePoint = ((byte1 & 0x0F) << 0x12) | (byte2 << 0x0C) |
-				(byte3 << 0x06) | byte4;
-			if (codePoint >= 0x010000 && codePoint <= 0x10FFFF) {
-				return codePoint;
-			}
-		}
-
-		throw Error('Invalid UTF-8 detected');
-	}
-
-	var byteArray;
-	var byteCount;
-	var byteIndex;
-	function utf8decode(byteString) {
-		byteArray = ucs2decode(byteString);
-		byteCount = byteArray.length;
-		byteIndex = 0;
-		var codePoints = [];
-		var tmp;
-		while ((tmp = decodeSymbol()) !== false) {
-			codePoints.push(tmp);
-		}
-		return ucs2encode(codePoints);
-	}
-
-	/*--------------------------------------------------------------------------*/
-
-	var utf8 = {
-		'version': '2.0.0',
-		'encode': utf8encode,
-		'decode': utf8decode
-	};
-
-	// Some AMD build optimizers, like r.js, check for specific condition patterns
-	// like the following:
-	if (
-		typeof define == 'function' &&
-		typeof define.amd == 'object' &&
-		define.amd
-	) {
-		define(function() {
-			return utf8;
-		});
-	}	else if (freeExports && !freeExports.nodeType) {
-		if (freeModule) { // in Node.js or RingoJS v0.8.0+
-			freeModule.exports = utf8;
-		} else { // in Narwhal or RingoJS v0.7.0-
-			var object = {};
-			var hasOwnProperty = object.hasOwnProperty;
-			for (var key in utf8) {
-				hasOwnProperty.call(utf8, key) && (freeExports[key] = utf8[key]);
-			}
-		}
-	} else { // in Rhino or a web browser
-		root.utf8 = utf8;
-	}
-
-}(this));
-
-}).call(this,typeof global !== "undefined" ? global : typeof self !== "undefined" ? self : typeof window !== "undefined" ? window : {})
-},{}],114:[function(require,module,exports){
-
-/**
- * Module dependencies.
- */
-
-var global = require('global');
-
-/**
- * Module exports.
- *
- * Logic borrowed from Modernizr:
- *
- *   - https://github.com/Modernizr/Modernizr/blob/master/feature-detects/cors.js
- */
-
-try {
-  module.exports = 'XMLHttpRequest' in global &&
-    'withCredentials' in new global.XMLHttpRequest();
-} catch (err) {
-  // if XMLHttp support is disabled in IE then it will throw
-  // when trying to create
-  module.exports = false;
-}
-
-},{"global":115}],115:[function(require,module,exports){
-
-/**
- * Returns `this`. Execute this without a "context" (i.e. without it being
- * attached to an object of the left-hand side), and `this` points to the
- * "global" scope of the current JS execution.
- */
-
-module.exports = (function () { return this; })();
-
-},{}],116:[function(require,module,exports){
-(function (global){
-/**
- * JSON parse.
- *
- * @see Based on jQuery#parseJSON (MIT) and JSON2
- * @api private
- */
-
-var rvalidchars = /^[\],:{}\s]*$/;
-var rvalidescape = /\\(?:["\\\/bfnrt]|u[0-9a-fA-F]{4})/g;
-var rvalidtokens = /"[^"\\\n\r]*"|true|false|null|-?\d+(?:\.\d*)?(?:[eE][+\-]?\d+)?/g;
-var rvalidbraces = /(?:^|:|,)(?:\s*\[)+/g;
-var rtrimLeft = /^\s+/;
-var rtrimRight = /\s+$/;
-
-module.exports = function parsejson(data) {
-  if ('string' != typeof data || !data) {
-    return null;
-  }
-
-  data = data.replace(rtrimLeft, '').replace(rtrimRight, '');
-
-  // Attempt to parse using the native JSON parser first
-  if (global.JSON && JSON.parse) {
-    return JSON.parse(data);
-  }
-
-  if (rvalidchars.test(data.replace(rvalidescape, '@')
-      .replace(rvalidtokens, ']')
-      .replace(rvalidbraces, ''))) {
-    return (new Function('return ' + data))();
-  }
-};
-}).call(this,typeof global !== "undefined" ? global : typeof self !== "undefined" ? self : typeof window !== "undefined" ? window : {})
-},{}],117:[function(require,module,exports){
-/**
- * Compiles a querystring
- * Returns string representation of the object
- *
- * @param {Object}
- * @api private
- */
-
-exports.encode = function (obj) {
-  var str = '';
-
-  for (var i in obj) {
-    if (obj.hasOwnProperty(i)) {
-      if (str.length) str += '&';
-      str += encodeURIComponent(i) + '=' + encodeURIComponent(obj[i]);
-    }
-  }
-
-  return str;
-};
-
-/**
- * Parses a simple querystring into an object
- *
- * @param {String} qs
- * @api private
- */
-
-exports.decode = function(qs){
-  var qry = {};
-  var pairs = qs.split('&');
-  for (var i = 0, l = pairs.length; i < l; i++) {
-    var pair = pairs[i].split('=');
-    qry[decodeURIComponent(pair[0])] = decodeURIComponent(pair[1]);
-  }
-  return qry;
-};
-
-},{}],118:[function(require,module,exports){
-/**
- * Parses an URI
- *
- * @author Steven Levithan <stevenlevithan.com> (MIT license)
- * @api private
- */
-
-var re = /^(?:(?![^:@]+:[^:@\/]*@)(http|https|ws|wss):\/\/)?((?:(([^:@]*)(?::([^:@]*))?)?@)?((?:[a-f0-9]{0,4}:){2,7}[a-f0-9]{0,4}|[^:\/?#]*)(?::(\d*))?)(((\/(?:[^?#](?![^?#\/]*\.[^?#\/.]+(?:[?#]|$)))*\/?)?([^?#\/]*))(?:\?([^#]*))?(?:#(.*))?)/;
-
-var parts = [
-    'source', 'protocol', 'authority', 'userInfo', 'user', 'password', 'host', 'port', 'relative', 'path', 'directory', 'file', 'query', 'anchor'
-];
-
-module.exports = function parseuri(str) {
-    var src = str,
-        b = str.indexOf('['),
-        e = str.indexOf(']');
-
-    if (b != -1 && e != -1) {
-        str = str.substring(0, b) + str.substring(b, e).replace(/:/g, ';') + str.substring(e, str.length);
-    }
-
-    var m = re.exec(str || ''),
-        uri = {},
-        i = 14;
-
-    while (i--) {
-        uri[parts[i]] = m[i] || '';
-    }
-
-    if (b != -1 && e != -1) {
-        uri.source = src;
-        uri.host = uri.host.substring(1, uri.host.length - 1).replace(/;/g, ':');
-        uri.authority = uri.authority.replace('[', '').replace(']', '').replace(/;/g, ':');
-        uri.ipv6uri = true;
-    }
-
-    return uri;
-};
-
-},{}],119:[function(require,module,exports){
-
-/**
- * Module dependencies.
- */
-
-var global = (function() { return this; })();
-
-/**
- * WebSocket constructor.
- */
-
-var WebSocket = global.WebSocket || global.MozWebSocket;
-
-/**
- * Module exports.
- */
-
-module.exports = WebSocket ? ws : null;
-
-/**
- * WebSocket constructor.
- *
- * The third `opts` options object gets ignored in web browsers, since it's
- * non-standard, and throws a TypeError if passed to the constructor.
- * See: https://github.com/einaros/ws/issues/227
- *
- * @param {String} uri
- * @param {Array} protocols (optional)
- * @param {Object) opts (optional)
- * @api public
- */
-
-function ws(uri, protocols, opts) {
-  var instance;
-  if (protocols) {
-    instance = new WebSocket(uri, protocols);
-  } else {
-    instance = new WebSocket(uri);
-  }
-  return instance;
-}
-
-if (WebSocket) ws.prototype = WebSocket.prototype;
-
-},{}],120:[function(require,module,exports){
-(function (global){
-
-/*
- * Module requirements.
- */
-
-var isArray = require('isarray');
-
-/**
- * Module exports.
- */
-
-module.exports = hasBinary;
-
-/**
- * Checks for binary data.
- *
- * Right now only Buffer and ArrayBuffer are supported..
- *
- * @param {Object} anything
- * @api public
- */
-
-function hasBinary(data) {
-
-  function _hasBinary(obj) {
-    if (!obj) return false;
-
-    if ( (global.Buffer && global.Buffer.isBuffer(obj)) ||
-         (global.ArrayBuffer && obj instanceof ArrayBuffer) ||
-         (global.Blob && obj instanceof Blob) ||
-         (global.File && obj instanceof File)
-        ) {
-      return true;
-    }
-
-    if (isArray(obj)) {
-      for (var i = 0; i < obj.length; i++) {
-          if (_hasBinary(obj[i])) {
-              return true;
-          }
-      }
-    } else if (obj && 'object' == typeof obj) {
-      if (obj.toJSON) {
-        obj = obj.toJSON();
-      }
-
-      for (var key in obj) {
-        if (Object.prototype.hasOwnProperty.call(obj, key) && _hasBinary(obj[key])) {
-          return true;
-        }
-      }
-    }
-
-    return false;
-  }
-
-  return _hasBinary(data);
-}
-
-}).call(this,typeof global !== "undefined" ? global : typeof self !== "undefined" ? self : typeof window !== "undefined" ? window : {})
-},{"isarray":121}],121:[function(require,module,exports){
-arguments[4][112][0].apply(exports,arguments)
-},{"dup":112}],122:[function(require,module,exports){
-
-var indexOf = [].indexOf;
-
-module.exports = function(arr, obj){
-  if (indexOf) return arr.indexOf(obj);
-  for (var i = 0; i < arr.length; ++i) {
-    if (arr[i] === obj) return i;
-  }
-  return -1;
-};
-},{}],123:[function(require,module,exports){
-
-/**
- * HOP ref.
- */
-
-var has = Object.prototype.hasOwnProperty;
-
-/**
- * Return own keys in `obj`.
- *
- * @param {Object} obj
- * @return {Array}
- * @api public
- */
-
-exports.keys = Object.keys || function(obj){
-  var keys = [];
-  for (var key in obj) {
-    if (has.call(obj, key)) {
-      keys.push(key);
-    }
-  }
-  return keys;
-};
-
-/**
- * Return own values in `obj`.
- *
- * @param {Object} obj
- * @return {Array}
- * @api public
- */
-
-exports.values = function(obj){
-  var vals = [];
-  for (var key in obj) {
-    if (has.call(obj, key)) {
-      vals.push(obj[key]);
-    }
-  }
-  return vals;
-};
-
-/**
- * Merge `b` into `a`.
- *
- * @param {Object} a
- * @param {Object} b
- * @return {Object} a
- * @api public
- */
-
-exports.merge = function(a, b){
-  for (var key in b) {
-    if (has.call(b, key)) {
-      a[key] = b[key];
-    }
-  }
-  return a;
-};
-
-/**
- * Return length of `obj`.
- *
- * @param {Object} obj
- * @return {Number}
- * @api public
- */
-
-exports.length = function(obj){
-  return exports.keys(obj).length;
-};
-
-/**
- * Check if `obj` is empty.
- *
- * @param {Object} obj
- * @return {Boolean}
- * @api public
- */
-
-exports.isEmpty = function(obj){
-  return 0 == exports.length(obj);
-};
-},{}],124:[function(require,module,exports){
-/**
- * Parses an URI
- *
- * @author Steven Levithan <stevenlevithan.com> (MIT license)
- * @api private
- */
-
-var re = /^(?:(?![^:@]+:[^:@\/]*@)(http|https|ws|wss):\/\/)?((?:(([^:@]*)(?::([^:@]*))?)?@)?((?:[a-f0-9]{0,4}:){2,7}[a-f0-9]{0,4}|[^:\/?#]*)(?::(\d*))?)(((\/(?:[^?#](?![^?#\/]*\.[^?#\/.]+(?:[?#]|$)))*\/?)?([^?#\/]*))(?:\?([^#]*))?(?:#(.*))?)/;
-
-var parts = [
-    'source', 'protocol', 'authority', 'userInfo', 'user', 'password', 'host'
-  , 'port', 'relative', 'path', 'directory', 'file', 'query', 'anchor'
-];
-
-module.exports = function parseuri(str) {
-  var m = re.exec(str || '')
-    , uri = {}
-    , i = 14;
-
-  while (i--) {
-    uri[parts[i]] = m[i] || '';
-  }
-
-  return uri;
-};
-
-},{}],125:[function(require,module,exports){
+},{"debug":55,"parseuri":102}],124:[function(require,module,exports){
 (function (global){
 /*global Blob,File*/
 
@@ -30023,7 +30680,7 @@ exports.removeBlobs = function(data, callback) {
 };
 
 }).call(this,typeof global !== "undefined" ? global : typeof self !== "undefined" ? self : typeof window !== "undefined" ? window : {})
-},{"./is-buffer":127,"isarray":128}],126:[function(require,module,exports){
+},{"./is-buffer":126,"isarray":77}],125:[function(require,module,exports){
 
 /**
  * Module dependencies.
@@ -30425,7 +31082,7 @@ function error(data){
   };
 }
 
-},{"./binary":125,"./is-buffer":127,"component-emitter":89,"debug":90,"isarray":128,"json3":129}],127:[function(require,module,exports){
+},{"./binary":124,"./is-buffer":126,"component-emitter":53,"debug":55,"isarray":77,"json3":80}],126:[function(require,module,exports){
 (function (global){
 
 module.exports = isBuf;
@@ -30442,872 +31099,7 @@ function isBuf(obj) {
 }
 
 }).call(this,typeof global !== "undefined" ? global : typeof self !== "undefined" ? self : typeof window !== "undefined" ? window : {})
-},{}],128:[function(require,module,exports){
-arguments[4][112][0].apply(exports,arguments)
-},{"dup":112}],129:[function(require,module,exports){
-/*! JSON v3.2.6 | http://bestiejs.github.io/json3 | Copyright 2012-2013, Kit Cambridge | http://kit.mit-license.org */
-;(function (window) {
-  // Convenience aliases.
-  var getClass = {}.toString, isProperty, forEach, undef;
-
-  // Detect the `define` function exposed by asynchronous module loaders. The
-  // strict `define` check is necessary for compatibility with `r.js`.
-  var isLoader = typeof define === "function" && define.amd;
-
-  // Detect native implementations.
-  var nativeJSON = typeof JSON == "object" && JSON;
-
-  // Set up the JSON 3 namespace, preferring the CommonJS `exports` object if
-  // available.
-  var JSON3 = typeof exports == "object" && exports && !exports.nodeType && exports;
-
-  if (JSON3 && nativeJSON) {
-    // Explicitly delegate to the native `stringify` and `parse`
-    // implementations in CommonJS environments.
-    JSON3.stringify = nativeJSON.stringify;
-    JSON3.parse = nativeJSON.parse;
-  } else {
-    // Export for web browsers, JavaScript engines, and asynchronous module
-    // loaders, using the global `JSON` object if available.
-    JSON3 = window.JSON = nativeJSON || {};
-  }
-
-  // Test the `Date#getUTC*` methods. Based on work by @Yaffle.
-  var isExtended = new Date(-3509827334573292);
-  try {
-    // The `getUTCFullYear`, `Month`, and `Date` methods return nonsensical
-    // results for certain dates in Opera >= 10.53.
-    isExtended = isExtended.getUTCFullYear() == -109252 && isExtended.getUTCMonth() === 0 && isExtended.getUTCDate() === 1 &&
-      // Safari < 2.0.2 stores the internal millisecond time value correctly,
-      // but clips the values returned by the date methods to the range of
-      // signed 32-bit integers ([-2 ** 31, 2 ** 31 - 1]).
-      isExtended.getUTCHours() == 10 && isExtended.getUTCMinutes() == 37 && isExtended.getUTCSeconds() == 6 && isExtended.getUTCMilliseconds() == 708;
-  } catch (exception) {}
-
-  // Internal: Determines whether the native `JSON.stringify` and `parse`
-  // implementations are spec-compliant. Based on work by Ken Snyder.
-  function has(name) {
-    if (has[name] !== undef) {
-      // Return cached feature test result.
-      return has[name];
-    }
-
-    var isSupported;
-    if (name == "bug-string-char-index") {
-      // IE <= 7 doesn't support accessing string characters using square
-      // bracket notation. IE 8 only supports this for primitives.
-      isSupported = "a"[0] != "a";
-    } else if (name == "json") {
-      // Indicates whether both `JSON.stringify` and `JSON.parse` are
-      // supported.
-      isSupported = has("json-stringify") && has("json-parse");
-    } else {
-      var value, serialized = '{"a":[1,true,false,null,"\\u0000\\b\\n\\f\\r\\t"]}';
-      // Test `JSON.stringify`.
-      if (name == "json-stringify") {
-        var stringify = JSON3.stringify, stringifySupported = typeof stringify == "function" && isExtended;
-        if (stringifySupported) {
-          // A test function object with a custom `toJSON` method.
-          (value = function () {
-            return 1;
-          }).toJSON = value;
-          try {
-            stringifySupported =
-              // Firefox 3.1b1 and b2 serialize string, number, and boolean
-              // primitives as object literals.
-              stringify(0) === "0" &&
-              // FF 3.1b1, b2, and JSON 2 serialize wrapped primitives as object
-              // literals.
-              stringify(new Number()) === "0" &&
-              stringify(new String()) == '""' &&
-              // FF 3.1b1, 2 throw an error if the value is `null`, `undefined`, or
-              // does not define a canonical JSON representation (this applies to
-              // objects with `toJSON` properties as well, *unless* they are nested
-              // within an object or array).
-              stringify(getClass) === undef &&
-              // IE 8 serializes `undefined` as `"undefined"`. Safari <= 5.1.7 and
-              // FF 3.1b3 pass this test.
-              stringify(undef) === undef &&
-              // Safari <= 5.1.7 and FF 3.1b3 throw `Error`s and `TypeError`s,
-              // respectively, if the value is omitted entirely.
-              stringify() === undef &&
-              // FF 3.1b1, 2 throw an error if the given value is not a number,
-              // string, array, object, Boolean, or `null` literal. This applies to
-              // objects with custom `toJSON` methods as well, unless they are nested
-              // inside object or array literals. YUI 3.0.0b1 ignores custom `toJSON`
-              // methods entirely.
-              stringify(value) === "1" &&
-              stringify([value]) == "[1]" &&
-              // Prototype <= 1.6.1 serializes `[undefined]` as `"[]"` instead of
-              // `"[null]"`.
-              stringify([undef]) == "[null]" &&
-              // YUI 3.0.0b1 fails to serialize `null` literals.
-              stringify(null) == "null" &&
-              // FF 3.1b1, 2 halts serialization if an array contains a function:
-              // `[1, true, getClass, 1]` serializes as "[1,true,],". FF 3.1b3
-              // elides non-JSON values from objects and arrays, unless they
-              // define custom `toJSON` methods.
-              stringify([undef, getClass, null]) == "[null,null,null]" &&
-              // Simple serialization test. FF 3.1b1 uses Unicode escape sequences
-              // where character escape codes are expected (e.g., `\b` => `\u0008`).
-              stringify({ "a": [value, true, false, null, "\x00\b\n\f\r\t"] }) == serialized &&
-              // FF 3.1b1 and b2 ignore the `filter` and `width` arguments.
-              stringify(null, value) === "1" &&
-              stringify([1, 2], null, 1) == "[\n 1,\n 2\n]" &&
-              // JSON 2, Prototype <= 1.7, and older WebKit builds incorrectly
-              // serialize extended years.
-              stringify(new Date(-8.64e15)) == '"-271821-04-20T00:00:00.000Z"' &&
-              // The milliseconds are optional in ES 5, but required in 5.1.
-              stringify(new Date(8.64e15)) == '"+275760-09-13T00:00:00.000Z"' &&
-              // Firefox <= 11.0 incorrectly serializes years prior to 0 as negative
-              // four-digit years instead of six-digit years. Credits: @Yaffle.
-              stringify(new Date(-621987552e5)) == '"-000001-01-01T00:00:00.000Z"' &&
-              // Safari <= 5.1.5 and Opera >= 10.53 incorrectly serialize millisecond
-              // values less than 1000. Credits: @Yaffle.
-              stringify(new Date(-1)) == '"1969-12-31T23:59:59.999Z"';
-          } catch (exception) {
-            stringifySupported = false;
-          }
-        }
-        isSupported = stringifySupported;
-      }
-      // Test `JSON.parse`.
-      if (name == "json-parse") {
-        var parse = JSON3.parse;
-        if (typeof parse == "function") {
-          try {
-            // FF 3.1b1, b2 will throw an exception if a bare literal is provided.
-            // Conforming implementations should also coerce the initial argument to
-            // a string prior to parsing.
-            if (parse("0") === 0 && !parse(false)) {
-              // Simple parsing test.
-              value = parse(serialized);
-              var parseSupported = value["a"].length == 5 && value["a"][0] === 1;
-              if (parseSupported) {
-                try {
-                  // Safari <= 5.1.2 and FF 3.1b1 allow unescaped tabs in strings.
-                  parseSupported = !parse('"\t"');
-                } catch (exception) {}
-                if (parseSupported) {
-                  try {
-                    // FF 4.0 and 4.0.1 allow leading `+` signs and leading
-                    // decimal points. FF 4.0, 4.0.1, and IE 9-10 also allow
-                    // certain octal literals.
-                    parseSupported = parse("01") !== 1;
-                  } catch (exception) {}
-                }
-                if (parseSupported) {
-                  try {
-                    // FF 4.0, 4.0.1, and Rhino 1.7R3-R4 allow trailing decimal
-                    // points. These environments, along with FF 3.1b1 and 2,
-                    // also allow trailing commas in JSON objects and arrays.
-                    parseSupported = parse("1.") !== 1;
-                  } catch (exception) {}
-                }
-              }
-            }
-          } catch (exception) {
-            parseSupported = false;
-          }
-        }
-        isSupported = parseSupported;
-      }
-    }
-    return has[name] = !!isSupported;
-  }
-
-  if (!has("json")) {
-    // Common `[[Class]]` name aliases.
-    var functionClass = "[object Function]";
-    var dateClass = "[object Date]";
-    var numberClass = "[object Number]";
-    var stringClass = "[object String]";
-    var arrayClass = "[object Array]";
-    var booleanClass = "[object Boolean]";
-
-    // Detect incomplete support for accessing string characters by index.
-    var charIndexBuggy = has("bug-string-char-index");
-
-    // Define additional utility methods if the `Date` methods are buggy.
-    if (!isExtended) {
-      var floor = Math.floor;
-      // A mapping between the months of the year and the number of days between
-      // January 1st and the first of the respective month.
-      var Months = [0, 31, 59, 90, 120, 151, 181, 212, 243, 273, 304, 334];
-      // Internal: Calculates the number of days between the Unix epoch and the
-      // first day of the given month.
-      var getDay = function (year, month) {
-        return Months[month] + 365 * (year - 1970) + floor((year - 1969 + (month = +(month > 1))) / 4) - floor((year - 1901 + month) / 100) + floor((year - 1601 + month) / 400);
-      };
-    }
-
-    // Internal: Determines if a property is a direct property of the given
-    // object. Delegates to the native `Object#hasOwnProperty` method.
-    if (!(isProperty = {}.hasOwnProperty)) {
-      isProperty = function (property) {
-        var members = {}, constructor;
-        if ((members.__proto__ = null, members.__proto__ = {
-          // The *proto* property cannot be set multiple times in recent
-          // versions of Firefox and SeaMonkey.
-          "toString": 1
-        }, members).toString != getClass) {
-          // Safari <= 2.0.3 doesn't implement `Object#hasOwnProperty`, but
-          // supports the mutable *proto* property.
-          isProperty = function (property) {
-            // Capture and break the object's prototype chain (see section 8.6.2
-            // of the ES 5.1 spec). The parenthesized expression prevents an
-            // unsafe transformation by the Closure Compiler.
-            var original = this.__proto__, result = property in (this.__proto__ = null, this);
-            // Restore the original prototype chain.
-            this.__proto__ = original;
-            return result;
-          };
-        } else {
-          // Capture a reference to the top-level `Object` constructor.
-          constructor = members.constructor;
-          // Use the `constructor` property to simulate `Object#hasOwnProperty` in
-          // other environments.
-          isProperty = function (property) {
-            var parent = (this.constructor || constructor).prototype;
-            return property in this && !(property in parent && this[property] === parent[property]);
-          };
-        }
-        members = null;
-        return isProperty.call(this, property);
-      };
-    }
-
-    // Internal: A set of primitive types used by `isHostType`.
-    var PrimitiveTypes = {
-      'boolean': 1,
-      'number': 1,
-      'string': 1,
-      'undefined': 1
-    };
-
-    // Internal: Determines if the given object `property` value is a
-    // non-primitive.
-    var isHostType = function (object, property) {
-      var type = typeof object[property];
-      return type == 'object' ? !!object[property] : !PrimitiveTypes[type];
-    };
-
-    // Internal: Normalizes the `for...in` iteration algorithm across
-    // environments. Each enumerated key is yielded to a `callback` function.
-    forEach = function (object, callback) {
-      var size = 0, Properties, members, property;
-
-      // Tests for bugs in the current environment's `for...in` algorithm. The
-      // `valueOf` property inherits the non-enumerable flag from
-      // `Object.prototype` in older versions of IE, Netscape, and Mozilla.
-      (Properties = function () {
-        this.valueOf = 0;
-      }).prototype.valueOf = 0;
-
-      // Iterate over a new instance of the `Properties` class.
-      members = new Properties();
-      for (property in members) {
-        // Ignore all properties inherited from `Object.prototype`.
-        if (isProperty.call(members, property)) {
-          size++;
-        }
-      }
-      Properties = members = null;
-
-      // Normalize the iteration algorithm.
-      if (!size) {
-        // A list of non-enumerable properties inherited from `Object.prototype`.
-        members = ["valueOf", "toString", "toLocaleString", "propertyIsEnumerable", "isPrototypeOf", "hasOwnProperty", "constructor"];
-        // IE <= 8, Mozilla 1.0, and Netscape 6.2 ignore shadowed non-enumerable
-        // properties.
-        forEach = function (object, callback) {
-          var isFunction = getClass.call(object) == functionClass, property, length;
-          var hasProperty = !isFunction && typeof object.constructor != 'function' && isHostType(object, 'hasOwnProperty') ? object.hasOwnProperty : isProperty;
-          for (property in object) {
-            // Gecko <= 1.0 enumerates the `prototype` property of functions under
-            // certain conditions; IE does not.
-            if (!(isFunction && property == "prototype") && hasProperty.call(object, property)) {
-              callback(property);
-            }
-          }
-          // Manually invoke the callback for each non-enumerable property.
-          for (length = members.length; property = members[--length]; hasProperty.call(object, property) && callback(property));
-        };
-      } else if (size == 2) {
-        // Safari <= 2.0.4 enumerates shadowed properties twice.
-        forEach = function (object, callback) {
-          // Create a set of iterated properties.
-          var members = {}, isFunction = getClass.call(object) == functionClass, property;
-          for (property in object) {
-            // Store each property name to prevent double enumeration. The
-            // `prototype` property of functions is not enumerated due to cross-
-            // environment inconsistencies.
-            if (!(isFunction && property == "prototype") && !isProperty.call(members, property) && (members[property] = 1) && isProperty.call(object, property)) {
-              callback(property);
-            }
-          }
-        };
-      } else {
-        // No bugs detected; use the standard `for...in` algorithm.
-        forEach = function (object, callback) {
-          var isFunction = getClass.call(object) == functionClass, property, isConstructor;
-          for (property in object) {
-            if (!(isFunction && property == "prototype") && isProperty.call(object, property) && !(isConstructor = property === "constructor")) {
-              callback(property);
-            }
-          }
-          // Manually invoke the callback for the `constructor` property due to
-          // cross-environment inconsistencies.
-          if (isConstructor || isProperty.call(object, (property = "constructor"))) {
-            callback(property);
-          }
-        };
-      }
-      return forEach(object, callback);
-    };
-
-    // Public: Serializes a JavaScript `value` as a JSON string. The optional
-    // `filter` argument may specify either a function that alters how object and
-    // array members are serialized, or an array of strings and numbers that
-    // indicates which properties should be serialized. The optional `width`
-    // argument may be either a string or number that specifies the indentation
-    // level of the output.
-    if (!has("json-stringify")) {
-      // Internal: A map of control characters and their escaped equivalents.
-      var Escapes = {
-        92: "\\\\",
-        34: '\\"',
-        8: "\\b",
-        12: "\\f",
-        10: "\\n",
-        13: "\\r",
-        9: "\\t"
-      };
-
-      // Internal: Converts `value` into a zero-padded string such that its
-      // length is at least equal to `width`. The `width` must be <= 6.
-      var leadingZeroes = "000000";
-      var toPaddedString = function (width, value) {
-        // The `|| 0` expression is necessary to work around a bug in
-        // Opera <= 7.54u2 where `0 == -0`, but `String(-0) !== "0"`.
-        return (leadingZeroes + (value || 0)).slice(-width);
-      };
-
-      // Internal: Double-quotes a string `value`, replacing all ASCII control
-      // characters (characters with code unit values between 0 and 31) with
-      // their escaped equivalents. This is an implementation of the
-      // `Quote(value)` operation defined in ES 5.1 section 15.12.3.
-      var unicodePrefix = "\\u00";
-      var quote = function (value) {
-        var result = '"', index = 0, length = value.length, isLarge = length > 10 && charIndexBuggy, symbols;
-        if (isLarge) {
-          symbols = value.split("");
-        }
-        for (; index < length; index++) {
-          var charCode = value.charCodeAt(index);
-          // If the character is a control character, append its Unicode or
-          // shorthand escape sequence; otherwise, append the character as-is.
-          switch (charCode) {
-            case 8: case 9: case 10: case 12: case 13: case 34: case 92:
-              result += Escapes[charCode];
-              break;
-            default:
-              if (charCode < 32) {
-                result += unicodePrefix + toPaddedString(2, charCode.toString(16));
-                break;
-              }
-              result += isLarge ? symbols[index] : charIndexBuggy ? value.charAt(index) : value[index];
-          }
-        }
-        return result + '"';
-      };
-
-      // Internal: Recursively serializes an object. Implements the
-      // `Str(key, holder)`, `JO(value)`, and `JA(value)` operations.
-      var serialize = function (property, object, callback, properties, whitespace, indentation, stack) {
-        var value, className, year, month, date, time, hours, minutes, seconds, milliseconds, results, element, index, length, prefix, result;
-        try {
-          // Necessary for host object support.
-          value = object[property];
-        } catch (exception) {}
-        if (typeof value == "object" && value) {
-          className = getClass.call(value);
-          if (className == dateClass && !isProperty.call(value, "toJSON")) {
-            if (value > -1 / 0 && value < 1 / 0) {
-              // Dates are serialized according to the `Date#toJSON` method
-              // specified in ES 5.1 section 15.9.5.44. See section 15.9.1.15
-              // for the ISO 8601 date time string format.
-              if (getDay) {
-                // Manually compute the year, month, date, hours, minutes,
-                // seconds, and milliseconds if the `getUTC*` methods are
-                // buggy. Adapted from @Yaffle's `date-shim` project.
-                date = floor(value / 864e5);
-                for (year = floor(date / 365.2425) + 1970 - 1; getDay(year + 1, 0) <= date; year++);
-                for (month = floor((date - getDay(year, 0)) / 30.42); getDay(year, month + 1) <= date; month++);
-                date = 1 + date - getDay(year, month);
-                // The `time` value specifies the time within the day (see ES
-                // 5.1 section 15.9.1.2). The formula `(A % B + B) % B` is used
-                // to compute `A modulo B`, as the `%` operator does not
-                // correspond to the `modulo` operation for negative numbers.
-                time = (value % 864e5 + 864e5) % 864e5;
-                // The hours, minutes, seconds, and milliseconds are obtained by
-                // decomposing the time within the day. See section 15.9.1.10.
-                hours = floor(time / 36e5) % 24;
-                minutes = floor(time / 6e4) % 60;
-                seconds = floor(time / 1e3) % 60;
-                milliseconds = time % 1e3;
-              } else {
-                year = value.getUTCFullYear();
-                month = value.getUTCMonth();
-                date = value.getUTCDate();
-                hours = value.getUTCHours();
-                minutes = value.getUTCMinutes();
-                seconds = value.getUTCSeconds();
-                milliseconds = value.getUTCMilliseconds();
-              }
-              // Serialize extended years correctly.
-              value = (year <= 0 || year >= 1e4 ? (year < 0 ? "-" : "+") + toPaddedString(6, year < 0 ? -year : year) : toPaddedString(4, year)) +
-                "-" + toPaddedString(2, month + 1) + "-" + toPaddedString(2, date) +
-                // Months, dates, hours, minutes, and seconds should have two
-                // digits; milliseconds should have three.
-                "T" + toPaddedString(2, hours) + ":" + toPaddedString(2, minutes) + ":" + toPaddedString(2, seconds) +
-                // Milliseconds are optional in ES 5.0, but required in 5.1.
-                "." + toPaddedString(3, milliseconds) + "Z";
-            } else {
-              value = null;
-            }
-          } else if (typeof value.toJSON == "function" && ((className != numberClass && className != stringClass && className != arrayClass) || isProperty.call(value, "toJSON"))) {
-            // Prototype <= 1.6.1 adds non-standard `toJSON` methods to the
-            // `Number`, `String`, `Date`, and `Array` prototypes. JSON 3
-            // ignores all `toJSON` methods on these objects unless they are
-            // defined directly on an instance.
-            value = value.toJSON(property);
-          }
-        }
-        if (callback) {
-          // If a replacement function was provided, call it to obtain the value
-          // for serialization.
-          value = callback.call(object, property, value);
-        }
-        if (value === null) {
-          return "null";
-        }
-        className = getClass.call(value);
-        if (className == booleanClass) {
-          // Booleans are represented literally.
-          return "" + value;
-        } else if (className == numberClass) {
-          // JSON numbers must be finite. `Infinity` and `NaN` are serialized as
-          // `"null"`.
-          return value > -1 / 0 && value < 1 / 0 ? "" + value : "null";
-        } else if (className == stringClass) {
-          // Strings are double-quoted and escaped.
-          return quote("" + value);
-        }
-        // Recursively serialize objects and arrays.
-        if (typeof value == "object") {
-          // Check for cyclic structures. This is a linear search; performance
-          // is inversely proportional to the number of unique nested objects.
-          for (length = stack.length; length--;) {
-            if (stack[length] === value) {
-              // Cyclic structures cannot be serialized by `JSON.stringify`.
-              throw TypeError();
-            }
-          }
-          // Add the object to the stack of traversed objects.
-          stack.push(value);
-          results = [];
-          // Save the current indentation level and indent one additional level.
-          prefix = indentation;
-          indentation += whitespace;
-          if (className == arrayClass) {
-            // Recursively serialize array elements.
-            for (index = 0, length = value.length; index < length; index++) {
-              element = serialize(index, value, callback, properties, whitespace, indentation, stack);
-              results.push(element === undef ? "null" : element);
-            }
-            result = results.length ? (whitespace ? "[\n" + indentation + results.join(",\n" + indentation) + "\n" + prefix + "]" : ("[" + results.join(",") + "]")) : "[]";
-          } else {
-            // Recursively serialize object members. Members are selected from
-            // either a user-specified list of property names, or the object
-            // itself.
-            forEach(properties || value, function (property) {
-              var element = serialize(property, value, callback, properties, whitespace, indentation, stack);
-              if (element !== undef) {
-                // According to ES 5.1 section 15.12.3: "If `gap` {whitespace}
-                // is not the empty string, let `member` {quote(property) + ":"}
-                // be the concatenation of `member` and the `space` character."
-                // The "`space` character" refers to the literal space
-                // character, not the `space` {width} argument provided to
-                // `JSON.stringify`.
-                results.push(quote(property) + ":" + (whitespace ? " " : "") + element);
-              }
-            });
-            result = results.length ? (whitespace ? "{\n" + indentation + results.join(",\n" + indentation) + "\n" + prefix + "}" : ("{" + results.join(",") + "}")) : "{}";
-          }
-          // Remove the object from the traversed object stack.
-          stack.pop();
-          return result;
-        }
-      };
-
-      // Public: `JSON.stringify`. See ES 5.1 section 15.12.3.
-      JSON3.stringify = function (source, filter, width) {
-        var whitespace, callback, properties, className;
-        if (typeof filter == "function" || typeof filter == "object" && filter) {
-          if ((className = getClass.call(filter)) == functionClass) {
-            callback = filter;
-          } else if (className == arrayClass) {
-            // Convert the property names array into a makeshift set.
-            properties = {};
-            for (var index = 0, length = filter.length, value; index < length; value = filter[index++], ((className = getClass.call(value)), className == stringClass || className == numberClass) && (properties[value] = 1));
-          }
-        }
-        if (width) {
-          if ((className = getClass.call(width)) == numberClass) {
-            // Convert the `width` to an integer and create a string containing
-            // `width` number of space characters.
-            if ((width -= width % 1) > 0) {
-              for (whitespace = "", width > 10 && (width = 10); whitespace.length < width; whitespace += " ");
-            }
-          } else if (className == stringClass) {
-            whitespace = width.length <= 10 ? width : width.slice(0, 10);
-          }
-        }
-        // Opera <= 7.54u2 discards the values associated with empty string keys
-        // (`""`) only if they are used directly within an object member list
-        // (e.g., `!("" in { "": 1})`).
-        return serialize("", (value = {}, value[""] = source, value), callback, properties, whitespace, "", []);
-      };
-    }
-
-    // Public: Parses a JSON source string.
-    if (!has("json-parse")) {
-      var fromCharCode = String.fromCharCode;
-
-      // Internal: A map of escaped control characters and their unescaped
-      // equivalents.
-      var Unescapes = {
-        92: "\\",
-        34: '"',
-        47: "/",
-        98: "\b",
-        116: "\t",
-        110: "\n",
-        102: "\f",
-        114: "\r"
-      };
-
-      // Internal: Stores the parser state.
-      var Index, Source;
-
-      // Internal: Resets the parser state and throws a `SyntaxError`.
-      var abort = function() {
-        Index = Source = null;
-        throw SyntaxError();
-      };
-
-      // Internal: Returns the next token, or `"$"` if the parser has reached
-      // the end of the source string. A token may be a string, number, `null`
-      // literal, or Boolean literal.
-      var lex = function () {
-        var source = Source, length = source.length, value, begin, position, isSigned, charCode;
-        while (Index < length) {
-          charCode = source.charCodeAt(Index);
-          switch (charCode) {
-            case 9: case 10: case 13: case 32:
-              // Skip whitespace tokens, including tabs, carriage returns, line
-              // feeds, and space characters.
-              Index++;
-              break;
-            case 123: case 125: case 91: case 93: case 58: case 44:
-              // Parse a punctuator token (`{`, `}`, `[`, `]`, `:`, or `,`) at
-              // the current position.
-              value = charIndexBuggy ? source.charAt(Index) : source[Index];
-              Index++;
-              return value;
-            case 34:
-              // `"` delimits a JSON string; advance to the next character and
-              // begin parsing the string. String tokens are prefixed with the
-              // sentinel `@` character to distinguish them from punctuators and
-              // end-of-string tokens.
-              for (value = "@", Index++; Index < length;) {
-                charCode = source.charCodeAt(Index);
-                if (charCode < 32) {
-                  // Unescaped ASCII control characters (those with a code unit
-                  // less than the space character) are not permitted.
-                  abort();
-                } else if (charCode == 92) {
-                  // A reverse solidus (`\`) marks the beginning of an escaped
-                  // control character (including `"`, `\`, and `/`) or Unicode
-                  // escape sequence.
-                  charCode = source.charCodeAt(++Index);
-                  switch (charCode) {
-                    case 92: case 34: case 47: case 98: case 116: case 110: case 102: case 114:
-                      // Revive escaped control characters.
-                      value += Unescapes[charCode];
-                      Index++;
-                      break;
-                    case 117:
-                      // `\u` marks the beginning of a Unicode escape sequence.
-                      // Advance to the first character and validate the
-                      // four-digit code point.
-                      begin = ++Index;
-                      for (position = Index + 4; Index < position; Index++) {
-                        charCode = source.charCodeAt(Index);
-                        // A valid sequence comprises four hexdigits (case-
-                        // insensitive) that form a single hexadecimal value.
-                        if (!(charCode >= 48 && charCode <= 57 || charCode >= 97 && charCode <= 102 || charCode >= 65 && charCode <= 70)) {
-                          // Invalid Unicode escape sequence.
-                          abort();
-                        }
-                      }
-                      // Revive the escaped character.
-                      value += fromCharCode("0x" + source.slice(begin, Index));
-                      break;
-                    default:
-                      // Invalid escape sequence.
-                      abort();
-                  }
-                } else {
-                  if (charCode == 34) {
-                    // An unescaped double-quote character marks the end of the
-                    // string.
-                    break;
-                  }
-                  charCode = source.charCodeAt(Index);
-                  begin = Index;
-                  // Optimize for the common case where a string is valid.
-                  while (charCode >= 32 && charCode != 92 && charCode != 34) {
-                    charCode = source.charCodeAt(++Index);
-                  }
-                  // Append the string as-is.
-                  value += source.slice(begin, Index);
-                }
-              }
-              if (source.charCodeAt(Index) == 34) {
-                // Advance to the next character and return the revived string.
-                Index++;
-                return value;
-              }
-              // Unterminated string.
-              abort();
-            default:
-              // Parse numbers and literals.
-              begin = Index;
-              // Advance past the negative sign, if one is specified.
-              if (charCode == 45) {
-                isSigned = true;
-                charCode = source.charCodeAt(++Index);
-              }
-              // Parse an integer or floating-point value.
-              if (charCode >= 48 && charCode <= 57) {
-                // Leading zeroes are interpreted as octal literals.
-                if (charCode == 48 && ((charCode = source.charCodeAt(Index + 1)), charCode >= 48 && charCode <= 57)) {
-                  // Illegal octal literal.
-                  abort();
-                }
-                isSigned = false;
-                // Parse the integer component.
-                for (; Index < length && ((charCode = source.charCodeAt(Index)), charCode >= 48 && charCode <= 57); Index++);
-                // Floats cannot contain a leading decimal point; however, this
-                // case is already accounted for by the parser.
-                if (source.charCodeAt(Index) == 46) {
-                  position = ++Index;
-                  // Parse the decimal component.
-                  for (; position < length && ((charCode = source.charCodeAt(position)), charCode >= 48 && charCode <= 57); position++);
-                  if (position == Index) {
-                    // Illegal trailing decimal.
-                    abort();
-                  }
-                  Index = position;
-                }
-                // Parse exponents. The `e` denoting the exponent is
-                // case-insensitive.
-                charCode = source.charCodeAt(Index);
-                if (charCode == 101 || charCode == 69) {
-                  charCode = source.charCodeAt(++Index);
-                  // Skip past the sign following the exponent, if one is
-                  // specified.
-                  if (charCode == 43 || charCode == 45) {
-                    Index++;
-                  }
-                  // Parse the exponential component.
-                  for (position = Index; position < length && ((charCode = source.charCodeAt(position)), charCode >= 48 && charCode <= 57); position++);
-                  if (position == Index) {
-                    // Illegal empty exponent.
-                    abort();
-                  }
-                  Index = position;
-                }
-                // Coerce the parsed value to a JavaScript number.
-                return +source.slice(begin, Index);
-              }
-              // A negative sign may only precede numbers.
-              if (isSigned) {
-                abort();
-              }
-              // `true`, `false`, and `null` literals.
-              if (source.slice(Index, Index + 4) == "true") {
-                Index += 4;
-                return true;
-              } else if (source.slice(Index, Index + 5) == "false") {
-                Index += 5;
-                return false;
-              } else if (source.slice(Index, Index + 4) == "null") {
-                Index += 4;
-                return null;
-              }
-              // Unrecognized token.
-              abort();
-          }
-        }
-        // Return the sentinel `$` character if the parser has reached the end
-        // of the source string.
-        return "$";
-      };
-
-      // Internal: Parses a JSON `value` token.
-      var get = function (value) {
-        var results, hasMembers;
-        if (value == "$") {
-          // Unexpected end of input.
-          abort();
-        }
-        if (typeof value == "string") {
-          if ((charIndexBuggy ? value.charAt(0) : value[0]) == "@") {
-            // Remove the sentinel `@` character.
-            return value.slice(1);
-          }
-          // Parse object and array literals.
-          if (value == "[") {
-            // Parses a JSON array, returning a new JavaScript array.
-            results = [];
-            for (;; hasMembers || (hasMembers = true)) {
-              value = lex();
-              // A closing square bracket marks the end of the array literal.
-              if (value == "]") {
-                break;
-              }
-              // If the array literal contains elements, the current token
-              // should be a comma separating the previous element from the
-              // next.
-              if (hasMembers) {
-                if (value == ",") {
-                  value = lex();
-                  if (value == "]") {
-                    // Unexpected trailing `,` in array literal.
-                    abort();
-                  }
-                } else {
-                  // A `,` must separate each array element.
-                  abort();
-                }
-              }
-              // Elisions and leading commas are not permitted.
-              if (value == ",") {
-                abort();
-              }
-              results.push(get(value));
-            }
-            return results;
-          } else if (value == "{") {
-            // Parses a JSON object, returning a new JavaScript object.
-            results = {};
-            for (;; hasMembers || (hasMembers = true)) {
-              value = lex();
-              // A closing curly brace marks the end of the object literal.
-              if (value == "}") {
-                break;
-              }
-              // If the object literal contains members, the current token
-              // should be a comma separator.
-              if (hasMembers) {
-                if (value == ",") {
-                  value = lex();
-                  if (value == "}") {
-                    // Unexpected trailing `,` in object literal.
-                    abort();
-                  }
-                } else {
-                  // A `,` must separate each object member.
-                  abort();
-                }
-              }
-              // Leading commas are not permitted, object property names must be
-              // double-quoted strings, and a `:` must separate each property
-              // name and value.
-              if (value == "," || typeof value != "string" || (charIndexBuggy ? value.charAt(0) : value[0]) != "@" || lex() != ":") {
-                abort();
-              }
-              results[value.slice(1)] = get(lex());
-            }
-            return results;
-          }
-          // Unexpected token encountered.
-          abort();
-        }
-        return value;
-      };
-
-      // Internal: Updates a traversed object member.
-      var update = function(source, property, callback) {
-        var element = walk(source, property, callback);
-        if (element === undef) {
-          delete source[property];
-        } else {
-          source[property] = element;
-        }
-      };
-
-      // Internal: Recursively traverses a parsed JSON object, invoking the
-      // `callback` function for each value. This is an implementation of the
-      // `Walk(holder, name)` operation defined in ES 5.1 section 15.12.2.
-      var walk = function (source, property, callback) {
-        var value = source[property], length;
-        if (typeof value == "object" && value) {
-          // `forEach` can't be used to traverse an array in Opera <= 8.54
-          // because its `Object#hasOwnProperty` implementation returns `false`
-          // for array indices (e.g., `![1, 2, 3].hasOwnProperty("0")`).
-          if (getClass.call(value) == arrayClass) {
-            for (length = value.length; length--;) {
-              update(value, length, callback);
-            }
-          } else {
-            forEach(value, function (property) {
-              update(value, property, callback);
-            });
-          }
-        }
-        return callback.call(source, property, value);
-      };
-
-      // Public: `JSON.parse`. See ES 5.1 section 15.12.2.
-      JSON3.parse = function (source, callback) {
-        var result, value;
-        Index = 0;
-        Source = "" + source;
-        result = get(lex());
-        // If a JSON string contains multiple tokens, it is invalid.
-        if (lex() != "$") {
-          abort();
-        }
-        // Reset the parser state.
-        Index = Source = null;
-        return callback && getClass.call(callback) == functionClass ? walk((value = {}, value[""] = result, value), "", callback) : result;
-      };
-    }
-  }
-
-  // Export for asynchronous module loaders.
-  if (isLoader) {
-    define(function () {
-      return JSON3;
-    });
-  }
-}(this));
-
-},{}],130:[function(require,module,exports){
+},{}],127:[function(require,module,exports){
 module.exports = toArray
 
 function toArray(list, index) {
@@ -31322,14 +31114,302 @@ function toArray(list, index) {
     return array
 }
 
-},{}],131:[function(require,module,exports){
+},{}],128:[function(require,module,exports){
+(function (global){
+/*! http://mths.be/utf8js v2.0.0 by @mathias */
+;(function(root) {
+
+	// Detect free variables `exports`
+	var freeExports = typeof exports == 'object' && exports;
+
+	// Detect free variable `module`
+	var freeModule = typeof module == 'object' && module &&
+		module.exports == freeExports && module;
+
+	// Detect free variable `global`, from Node.js or Browserified code,
+	// and use it as `root`
+	var freeGlobal = typeof global == 'object' && global;
+	if (freeGlobal.global === freeGlobal || freeGlobal.window === freeGlobal) {
+		root = freeGlobal;
+	}
+
+	/*--------------------------------------------------------------------------*/
+
+	var stringFromCharCode = String.fromCharCode;
+
+	// Taken from http://mths.be/punycode
+	function ucs2decode(string) {
+		var output = [];
+		var counter = 0;
+		var length = string.length;
+		var value;
+		var extra;
+		while (counter < length) {
+			value = string.charCodeAt(counter++);
+			if (value >= 0xD800 && value <= 0xDBFF && counter < length) {
+				// high surrogate, and there is a next character
+				extra = string.charCodeAt(counter++);
+				if ((extra & 0xFC00) == 0xDC00) { // low surrogate
+					output.push(((value & 0x3FF) << 10) + (extra & 0x3FF) + 0x10000);
+				} else {
+					// unmatched surrogate; only append this code unit, in case the next
+					// code unit is the high surrogate of a surrogate pair
+					output.push(value);
+					counter--;
+				}
+			} else {
+				output.push(value);
+			}
+		}
+		return output;
+	}
+
+	// Taken from http://mths.be/punycode
+	function ucs2encode(array) {
+		var length = array.length;
+		var index = -1;
+		var value;
+		var output = '';
+		while (++index < length) {
+			value = array[index];
+			if (value > 0xFFFF) {
+				value -= 0x10000;
+				output += stringFromCharCode(value >>> 10 & 0x3FF | 0xD800);
+				value = 0xDC00 | value & 0x3FF;
+			}
+			output += stringFromCharCode(value);
+		}
+		return output;
+	}
+
+	/*--------------------------------------------------------------------------*/
+
+	function createByte(codePoint, shift) {
+		return stringFromCharCode(((codePoint >> shift) & 0x3F) | 0x80);
+	}
+
+	function encodeCodePoint(codePoint) {
+		if ((codePoint & 0xFFFFFF80) == 0) { // 1-byte sequence
+			return stringFromCharCode(codePoint);
+		}
+		var symbol = '';
+		if ((codePoint & 0xFFFFF800) == 0) { // 2-byte sequence
+			symbol = stringFromCharCode(((codePoint >> 6) & 0x1F) | 0xC0);
+		}
+		else if ((codePoint & 0xFFFF0000) == 0) { // 3-byte sequence
+			symbol = stringFromCharCode(((codePoint >> 12) & 0x0F) | 0xE0);
+			symbol += createByte(codePoint, 6);
+		}
+		else if ((codePoint & 0xFFE00000) == 0) { // 4-byte sequence
+			symbol = stringFromCharCode(((codePoint >> 18) & 0x07) | 0xF0);
+			symbol += createByte(codePoint, 12);
+			symbol += createByte(codePoint, 6);
+		}
+		symbol += stringFromCharCode((codePoint & 0x3F) | 0x80);
+		return symbol;
+	}
+
+	function utf8encode(string) {
+		var codePoints = ucs2decode(string);
+
+		// console.log(JSON.stringify(codePoints.map(function(x) {
+		// 	return 'U+' + x.toString(16).toUpperCase();
+		// })));
+
+		var length = codePoints.length;
+		var index = -1;
+		var codePoint;
+		var byteString = '';
+		while (++index < length) {
+			codePoint = codePoints[index];
+			byteString += encodeCodePoint(codePoint);
+		}
+		return byteString;
+	}
+
+	/*--------------------------------------------------------------------------*/
+
+	function readContinuationByte() {
+		if (byteIndex >= byteCount) {
+			throw Error('Invalid byte index');
+		}
+
+		var continuationByte = byteArray[byteIndex] & 0xFF;
+		byteIndex++;
+
+		if ((continuationByte & 0xC0) == 0x80) {
+			return continuationByte & 0x3F;
+		}
+
+		// If we end up here, it’s not a continuation byte
+		throw Error('Invalid continuation byte');
+	}
+
+	function decodeSymbol() {
+		var byte1;
+		var byte2;
+		var byte3;
+		var byte4;
+		var codePoint;
+
+		if (byteIndex > byteCount) {
+			throw Error('Invalid byte index');
+		}
+
+		if (byteIndex == byteCount) {
+			return false;
+		}
+
+		// Read first byte
+		byte1 = byteArray[byteIndex] & 0xFF;
+		byteIndex++;
+
+		// 1-byte sequence (no continuation bytes)
+		if ((byte1 & 0x80) == 0) {
+			return byte1;
+		}
+
+		// 2-byte sequence
+		if ((byte1 & 0xE0) == 0xC0) {
+			var byte2 = readContinuationByte();
+			codePoint = ((byte1 & 0x1F) << 6) | byte2;
+			if (codePoint >= 0x80) {
+				return codePoint;
+			} else {
+				throw Error('Invalid continuation byte');
+			}
+		}
+
+		// 3-byte sequence (may include unpaired surrogates)
+		if ((byte1 & 0xF0) == 0xE0) {
+			byte2 = readContinuationByte();
+			byte3 = readContinuationByte();
+			codePoint = ((byte1 & 0x0F) << 12) | (byte2 << 6) | byte3;
+			if (codePoint >= 0x0800) {
+				return codePoint;
+			} else {
+				throw Error('Invalid continuation byte');
+			}
+		}
+
+		// 4-byte sequence
+		if ((byte1 & 0xF8) == 0xF0) {
+			byte2 = readContinuationByte();
+			byte3 = readContinuationByte();
+			byte4 = readContinuationByte();
+			codePoint = ((byte1 & 0x0F) << 0x12) | (byte2 << 0x0C) |
+				(byte3 << 0x06) | byte4;
+			if (codePoint >= 0x010000 && codePoint <= 0x10FFFF) {
+				return codePoint;
+			}
+		}
+
+		throw Error('Invalid UTF-8 detected');
+	}
+
+	var byteArray;
+	var byteCount;
+	var byteIndex;
+	function utf8decode(byteString) {
+		byteArray = ucs2decode(byteString);
+		byteCount = byteArray.length;
+		byteIndex = 0;
+		var codePoints = [];
+		var tmp;
+		while ((tmp = decodeSymbol()) !== false) {
+			codePoints.push(tmp);
+		}
+		return ucs2encode(codePoints);
+	}
+
+	/*--------------------------------------------------------------------------*/
+
+	var utf8 = {
+		'version': '2.0.0',
+		'encode': utf8encode,
+		'decode': utf8decode
+	};
+
+	// Some AMD build optimizers, like r.js, check for specific condition patterns
+	// like the following:
+	if (
+		typeof define == 'function' &&
+		typeof define.amd == 'object' &&
+		define.amd
+	) {
+		define(function() {
+			return utf8;
+		});
+	}	else if (freeExports && !freeExports.nodeType) {
+		if (freeModule) { // in Node.js or RingoJS v0.8.0+
+			freeModule.exports = utf8;
+		} else { // in Narwhal or RingoJS v0.7.0-
+			var object = {};
+			var hasOwnProperty = object.hasOwnProperty;
+			for (var key in utf8) {
+				hasOwnProperty.call(utf8, key) && (freeExports[key] = utf8[key]);
+			}
+		}
+	} else { // in Rhino or a web browser
+		root.utf8 = utf8;
+	}
+
+}(this));
+
+}).call(this,typeof global !== "undefined" ? global : typeof self !== "undefined" ? self : typeof window !== "undefined" ? window : {})
+},{}],129:[function(require,module,exports){
+
+/**
+ * Module dependencies.
+ */
+
+var global = (function() { return this; })();
+
+/**
+ * WebSocket constructor.
+ */
+
+var WebSocket = global.WebSocket || global.MozWebSocket;
+
+/**
+ * Module exports.
+ */
+
+module.exports = WebSocket ? ws : null;
+
+/**
+ * WebSocket constructor.
+ *
+ * The third `opts` options object gets ignored in web browsers, since it's
+ * non-standard, and throws a TypeError if passed to the constructor.
+ * See: https://github.com/einaros/ws/issues/227
+ *
+ * @param {String} uri
+ * @param {Array} protocols (optional)
+ * @param {Object) opts (optional)
+ * @api public
+ */
+
+function ws(uri, protocols, opts) {
+  var instance;
+  if (protocols) {
+    instance = new WebSocket(uri, protocols);
+  } else {
+    instance = new WebSocket(uri);
+  }
+  return instance;
+}
+
+if (WebSocket) ws.prototype = WebSocket.prototype;
+
+},{}],130:[function(require,module,exports){
 var MediaStreamType = {
     VIDEO_TYPE: "Video",
 
     AUDIO_TYPE: "Audio"
 };
 module.exports = MediaStreamType;
-},{}],132:[function(require,module,exports){
+},{}],131:[function(require,module,exports){
 var RTCEvents = {
     RTC_READY: "rtc.ready",
     DATA_CHANNEL_OPEN: "rtc.data_channel_open",
@@ -31341,7 +31421,7 @@ var RTCEvents = {
 };
 
 module.exports = RTCEvents;
-},{}],133:[function(require,module,exports){
+},{}],132:[function(require,module,exports){
 var Resolutions = {
     "1080": {
         width: 1920,
@@ -31395,7 +31475,7 @@ var Resolutions = {
     }
 };
 module.exports = Resolutions;
-},{}],134:[function(require,module,exports){
+},{}],133:[function(require,module,exports){
 var AuthenticationEvents = {
     /**
      * Event callback arguments:
@@ -31409,7 +31489,7 @@ var AuthenticationEvents = {
 };
 module.exports = AuthenticationEvents;
 
-},{}],135:[function(require,module,exports){
+},{}],134:[function(require,module,exports){
 var DesktopSharingEventTypes = {
     /**
      * An event which indicates that the jidesha extension for Firefox is
@@ -31420,7 +31500,7 @@ var DesktopSharingEventTypes = {
 
 module.exports = DesktopSharingEventTypes;
 
-},{}],136:[function(require,module,exports){
+},{}],135:[function(require,module,exports){
 module.exports = {
     /**
      * An event carrying connection statistics.
@@ -31436,12 +31516,12 @@ module.exports = {
     STOP: "statistics.stop"
 };
 
-},{}],137:[function(require,module,exports){
+},{}],136:[function(require,module,exports){
 var Constants = {
     LOCAL_JID: 'local'
 };
 module.exports = Constants;
-},{}],138:[function(require,module,exports){
+},{}],137:[function(require,module,exports){
 var XMPPEvents = {
     // Designates an event indicating that the connection to the XMPP server
     // failed.
diff --git a/modules/statistics/AnalyticsAdapter.js b/modules/statistics/AnalyticsAdapter.js
index e66089ad4..74f1814cd 100644
--- a/modules/statistics/AnalyticsAdapter.js
+++ b/modules/statistics/AnalyticsAdapter.js
@@ -1,19 +1,46 @@
-class NoopAnalytics {
-  sendEvent () {}
+/* global config JitsiMeetJS */
+
+// Load the integration of a third-party analytics API such as Google Analytics.
+// Since we cannot guarantee the quality of the third-party service (e.g. their
+// server may take noticeably long time to respond), it is in our best interest
+// (in the sense that the intergration of the analytics API is important to us
+// but not enough to allow it to prevent people from joining a conference) to
+// download the API asynchronously. Additionally, Google Analytics will download
+// its implementation asynchronously anyway so it makes sense to append the
+// loading on our side rather than prepend it.
+if (config.disableThirdPartyRequests !== true) {
+    JitsiMeetJS.util.ScriptUtil.loadScript(
+            'analytics.js?v=1',
+            /* async */ true,
+            /* prepend */ false);
 }
 
-const AnalyticsImpl = window.Analytics || NoopAnalytics;
+class NoopAnalytics {
+    sendEvent () {}
+}
+
+// XXX Since we asynchronously load the integration of the analytics API and the
+// analytics API may asynchronously load its implementation (e.g. Google
+// Analytics), we cannot make the decision with respect to which analytics
+// implementation we will use here and we have to postpone it i.e. we will make
+// a lazy decision.
 
 class AnalyticsAdapter {
-  constructor () {
-    this.analytics = new AnalyticsImpl();
-  }
+    constructor () {
+    }
 
-  sendEvent (...args) {
-    try {
-      this.analytics.sendEvent(...args);
-    } catch (ignored) {}
-  }
+    sendEvent (...args) {
+        var a = this.analytics;
+
+        if (a === null || typeof a === 'undefined') {
+            var AnalyticsImpl = window.Analytics || NoopAnalytics;
+
+            this.analytics = a = new AnalyticsImpl();
+        }
+        try {
+            a.sendEvent(...args);
+        } catch (ignored) {}
+    }
 }
 
 export default new AnalyticsAdapter();