* Added matrix module

* Moved the function EXPP_tuple_repr from vector.c to gen_utils.[ch]
* Matrix functionality should work now in Object module.
* Fixed compilation warning about implicit declaration of M_World_Init.
  Added the declaration to modules.h

source/blender/python/api2_2x/gen_utils.c

@@ -188,3 +188,34 @@ int EXPP_check_sequence_consistency(PyObject *seq, PyTypeObject *against)
 	}
 	return 1;
 }
+
+PyObject *EXPP_tuple_repr(PyObject *self, int size)
+{
+	PyObject *repr, *comma, *item;
+	int i;
+
+/*@	note: a value must be built because the list is decrefed!
+ * otherwise we have nirvana pointers inside python.. */
+
+	repr = PyString_FromString("(");
+	if (!repr) return 0;
+
+	item = PySequence_GetItem(self, 0); 
+	PyString_ConcatAndDel(&repr, PyObject_Repr(item));
+	Py_DECREF(item);
+
+	comma = PyString_FromString(", ");
+
+	for (i = 1; i < size; i++) {
+		PyString_Concat(&repr, comma);
+		item = PySequence_GetItem(self, i);
+		PyString_ConcatAndDel(&repr, PyObject_Repr(item));
+		Py_DECREF(item);
+	}
+
+	PyString_ConcatAndDel(&repr, PyString_FromString(")"));
+	Py_DECREF(comma);
+
+	return repr;
+
+}