- CAG(2d) csg mostly converted to the new "modify not return new object" api
 * basic shapes (rectangle & circle) work
 * union, subtract, intersect , extrude, expand etc all work as well
- fixed a few additional bugs in csg:
 * rotate & mirrored now work correctly
 * various minor bugfixes
- started working on csg properties visualization
 * converted THREE.csg to coffeescript, included it with the other csg files
 * very preliminary work in exploring an object's properties dynamically