ignoring some folders/files
uses lilv to parse ttls
adds option to generate json only for modgui plugins, fixes templateData and html file fields on json and fixes plugin category parsing
fixes gui_structure in json, serializes only when exists in .ttl
adding support to port units to lv2 serializer
manually cherry-picking changes from lilv (python3) branch
removing unused settings variable
Fixes unit and modgui info parsing