initial python support for dealing with multires meshes.

Can only change levels and values at the moment. adding and removing is still needed.

multires: bool
multiresLevelCount: int
multiresDrawLevel: int
multiresEdgeLevel: int
multiresPinLevel: int
multiresRenderLevel: int

source/blender/python/api2_2x/Key.h

@@ -48,7 +48,7 @@ extern PyTypeObject KeyBlock_Type;
 typedef struct {
 	PyObject_HEAD		/* required python macro   */
 	Key * key;
-	/* Object *object;/*		/* for vertex grouping info, since it's stored on the object */
+	/* Object *object;*/		/* for vertex grouping info, since it's stored on the object */
 	/*PyObject *keyBlock;*/
 	PyObject *ipo;
 } BPy_Key;