Changes:

• Updated Scribble and Input libraries.
• Updated HUD interface to look more consistent with the other games.
• Updated Utils extension.
• Updated splash screen.
• Updated version dialog to only advise updating the game through the platform you bought it on.

Fixes:

• Fixed username checking.
• Fixed grade calculations (hopefully).
• Fixed walljump sprites at end of game.
• Made other general fixes and optimisations.