Use pybind with new DOM API (at PYNode). - MBScene.document is a PYDocument instead of PYSPDocument. - MBScene.root is a PYNode isntead of PYSPItem. - getNext() was replaced by next(). - attribute() was replaced by getAttribute(). - getID() was removed, use setAttribute() instead. - MBScene.dom was removed, use MBScene.document.root() instead. - MBScene.nodeToItem was removed, use PYNode.spitem instead.

<LEFT>		Turn to left.
<RIGHT>		Turn to right.
<UP>		Turn to up.
<DOWN>		Turn to down.
<SPACE>		To Fire.