Fix gameloop + render step
Stub Map, Tile, Layer objects
Implement map, map parser, map renderer
Working on tile map + viewport
Rough viewport rendering. Only account for correct windows if camera.y == 0
Fix viewport bound detection
Fix viewport bound detection
Add mario world 1-1 map - or a small chunk of it
Add hard map scrolling
Merge branch 'master' of github.com:formigone/easylearntutorial