UI
- updated first time launch experience
- cleaned up some UI issues
- fixed instruction booklet size at higher resolution
- moved controls to front of instruction booklet
- fixed level tagging page at higher resolution
- changed keyboard "previous" navigation from Shift+Tab to Ctrl+Tab to avoid colliding with Steam overlay
LEVELS
- added the Sign level object
- added switches, logic gates and wiring
- improved prompt for Doors
ART
- added new art for the bomber pig (not yet animated)
OTHER
- updated unity version and fixed some bugs introduced by that