*** empty log message ***
Made VBOTracker and StateStack package private
fix: IsFullscreen -> isFullscreen - to much c/c++ coding :(
add: IsFullScreen fix: better error message on assertion failure
remove unneded import
Native cursors now have same origin as OpenGL, lower left corner
Added buffer positions to Cursor
Implemented safe VBO indices (phew)
Now the only Window class you need :D