- Added some tests to suite
- Added image with a transparent background
- Added flag to sprite.boxColides to enable pixel collision
- Remove unused method from Sprite class
- Added pixel perfect collision detection
- Added debug constant
- Remove tests from Core
- Skip a added child if it's already in the list in Scene class
- Added method to scene class to remove a child by index
- Some engine visual tests
- Chenge tests name
- Correction in create surface with addtodocument false
- Added some tests to suite