* TokenList2DsnLexer.cmake now supports comments, which start with a leading
# character, and may be either on their own line or on a line after a token.
* DSNLEXER::PopReader() now pops even the last LINE_READER* and returns it.
++pcbnew:
* SPECCTRA_DB now inherits from new class SPECCTRA_LEXER, which led to a great
deal of simplification and code factoring.
* Moved specctra keywords into specctra.keywords.
* TokenList2DsnLexer.cmake now wraps each token enum in its own namespace. It
also no longer setup of the "using" directive in the header file, which was
bad behavior. C++ enum values will have name collisions unless the enums
themselves are different namespaces.
++new:
* Sweet library is now a DSO/DLL.
* Brought in SWIG to do a wrap of the Sweet DSO/DLL for unit testing
and scripting. The SWIG DSO/DLLs are built separate from the Sweet DSO/DLL
and are also optional.