Some graphic line thickness were initialized to 0.
The actual line thickness is set after reading config.
But in some cases the config does not exist, and 0 line thickness creates draw issues.
I could not find a reasonable solution to the mandatory field canonical
name issue so field indices are back in play as much as I did not want
to use them. They really only have meaning for the mandatory fields.
For all other fields, the index number is meaningless and the field name
is the primary means for searching.
Fix a broken field size bug in the symbol library formatter.
Please note that the symbol cache is not embedded in the schematic file
to allow for round robin testing with the existing file format. Once
the parser round robin testing is complete, the symbol cache will be
embedded in the schematic file.
This implements all existing symbol library object support and the ability
to save and load symbol library files between file formats for round robin
testing.