* Mathutils attributes documented - http://www.blender.org/documentation/250PythonDoc/Mathutils.html

* Vector.difference() needed normalized vectors
* bpy.DEUBG -> bpy.app.debug

source/blender/python/generic/Mathutils.h

@@ -41,6 +41,9 @@
 
 /* Can cast different mathutils types to this, use for generic funcs */
 
+extern char BaseMathObject_Wrapped_doc[];
+extern char BaseMathObject_Owner_doc[];
+
 typedef struct {
 	PyObject_VAR_HEAD
 	float *data;					/*array of data (alias), wrapped status depends on wrapped status */