Remove/deprecate unnecessary libraries/functions
Document available fonts
Merge pull request #162 from Xandaros/cleanup

Remove/deprecate unnecessary libraries/functions
Merge pull request #163 from Xandaros/fontDoc

Document available fonts
Fix SF uploading error in some cases

apparently debug.tracebug with neither nil nor a string as message just
returns the message...
Merge pull request #164 from Xandaros/uploadFix

Fix SF uploading error in some cases