Added drawSpriteScaled, optimized other sprite routines
Fix mistake
Removed anti-optimization
Added metric functions
Added decentering to drawSpriteRotated
Document decentering
Added automagic for drawSpriteRotated
Remove useless commented code
Remove warning in drawSpriteRotated
Fix README
Change  syntax
Add and adapt to getBoundingBox
Fix aligning bug due to OS's malloc, choose best refreshing method for each screen type
Added HW timers functions, courtesy of aeTIos and Streetwalrus