Made GetSprite required a texture dictionary
Changed DrawSprite sprite parameter to RefPtr
Fixed refptr tests
Changed frame values to integers
Added tests for Dictionary
Moved frame code to their own header and source file
Changed sprite code to have generic CreateSpriteFromJSON
Added animation header and source
Reading animations from sprite JSON
Small fixes to frame.c
Added animations section to test.spr
Fixed bug in animation.c
Added FindFrameByName
Small fix for FindFrameByName
Renamed test.spr to asteroid_small.spr
Added currentFrame to Sprite
Made CreateAnimationFromJSON use FindFrameByName
Made CreateSpriteFromJSON handle default_frame
Added 'start' to animations
Added asteroid_big.spr