Fixed Popups not disappearing correctly if Combo Stacking was turned on
Opponent note hits no longer count twice
Alt Animations (or notes with an anim suffix) now work
Fixed the rating sprites in the Note Offset menu being HaxeFlixel logos (closes #690)
Added the Hold Note Splashes from Base 0.3.X and up (special thanks to Psych Online (more specifically, NotMagniill and Snirozu) for the code)
Optimized some PlayState code
Achievements menu updated to the 0.7.3 menu
Added some indentation to Story Menu code
ACHIEVEMENTS OVERHAULED (Their code is now simpler, and you can now add softcoded achievements!)
The engine will no longer ask you to update again if it already asks you once after being opened
