Remove demo.pz game.
Split out gameloop functionality into separate files.
Add serialize/deserialize functions into main.js.
Add serialize/deserialize functionality into gameloop class.
Allow sfxr to warn but not stop on bad seed numbers.
Handle negative hex values (fixes corrupted saves in large games).
Make serialization auto retry with truncation if size is too big.
Use original text title screens.
Update PuzzleScriptPlus graphics source to allow custom font to work.
Only clear all sprite context when in PuzzleScript mode.
Use PuzzleScriptPlus mode on pzp files.
Make custom font off by default.
Add cheat code of SELECT+START to skip level.
Fix bugs discovered with Singleton Traffic game (level 3 graphics glitch).
Dynamically resize sprites if pixels drawn with fillRect beyond border.
Update sprite clearing to always clear all of updated width and height.
Nathan Whitehead