- Blending:
+ Blending wasn't enabled even if a blend mode was set
 - Texture:
 + setColorkey: corrected the size for the loop
 + setRepeat: the repeat mode is now immediatly set and not only by reloading
 + add isValid method
 +  change getId -> Id (@property)
 - Spritesheet:
 + add missing documentation for Grid enum
 + setRow was ignored in slideTextureRect
 + add documentation for setRow
 - Window:
 + fix setFullscreen and add documentation
- Text:
    + add missing documentation for width and height property