Fullscreen toggle added. F5.
Spelling fixes.
(Start of converting sprites to have nb values too)
Started sprite code.
Merge remote-tracking branch 'origin/ReleaseBuilds' into Zargy
All objects in game updated with new sprite switching.
secondary bug fixes
(ALL SPRITES REQUIRED ARE NB'd)
Merge remote-tracking branch 'origin/Zargy' into ReleaseBuilds
Removed Quick clear of Terminus, Trying to fix Kugla bullet, removed debug items.