_new point class and update_

- adds a new point class
  * point/ vector math (p + v = p, p - p = v, etc.)
  * points can be transformed by matrices/quats
  * wraps 'place vector' type vectors that have no magnitude
- wrapped toXXX() methods work correctly
  * toXXX() will NOT wrap data (this is due to the fact that wrapped data cannot be converted)
  * added a 'wrapped' attribute to mathutils classes to determine wether the object is accessing python or blender data
- added the ability to negate vectors/points with "-vec"
  * deprecated vector.negate()
- added the ability to shorhand inverse matrices with "~mat" (tilde)
- conversion between vector/point with toXXX() methods

source/blender/python/api2_2x/matrix.h

@@ -48,6 +48,7 @@ typedef struct _Matrix {
 	float *contigPtr;		//1D array of data (alias)
 	int rowSize;
 	int colSize;
+	int wrapped;			//is wrapped data?
 	PyObject *coerced_object;
 } MatrixObject;
 /*coerced_object is a pointer to the object that it was