At last version 0.3 has been released and a lot has changed.

• image component uses createPattern
• SAT collision so can detect any convex polygon with an overlap value
• Window resize for fullscreen games will recalculate values
• defineProperty for IE9
• Variable frame rate using requestAnimationFrame
• Alpha transparency - thanks to Josh Tynjala
• Persistent entities through scenes by adding a component called persist
• .visible property to draw or not draw
• More Audio instances so same audio can overlap - thanks to Josh Tynjala
• Draggable component for drag and drop
• Loader accepts onProgress and onError callbacks with info on what is loaded and percentages - thanks to Josh Tynjala