Merge beta into main for July release (AddyMills#2)

Merge pull request AddyMills#1 from AddyMills/beta

Merge Beta with Main

GH3/GHA process fixes/additions

Fixes and additions

Fixed typo in a path
GH6 perf files now get fully extracted

Various fixes and big update prep

Add skeleton conversion code from WT to 5/WoR
Fixed some bugs involving filenames

Convert any WT or GH5-style song to MIDI

QB2Text2QB fully implemented/Bug fixes

Update for exe build

GH3 Venue to 120bpm MIDI

Update README.md