added background
Added background to gamescreen
Update of Hero's movement physics
removed friction on walls
added default multiple funs for gameobject
made gamewindow wider
fixed updates to accomodate noncloud platforms in zigzaggy blocks
made platforms wider to handle wider gamescreen
update background to handle updates in gameobject
added error margin to cloud detection
added nocollision callback in collision detector
added nonfriction edges on platforms
Major gameobject change: added new textures. decoupled walls and
platforms
Made platform widths a multiple of 40, in zigzag blocks
Made hero start at a lower y pos