Quaternions.

include/lua_core.h

@@ -23,6 +23,7 @@ void uluaPushVector2( lua_State *L, Vector2 vector );
 void uluaPushVector3( lua_State *L, Vector3 vector );
 void uluaPushVector4( lua_State *L, Vector4 vector );
 void uluaPushRectangle( lua_State *L, Rectangle rect );
+void uluaPushQuaternion( lua_State *L, Quaternion quaternion );
 void uluaPushMatrix( lua_State *L, Matrix matrix );
 void uluaPushRay( lua_State *L, Ray ray );
 void uluaPushRayCollision( lua_State *L, RayCollision rayCol );