quick & dirty timer functionality

src/McRFPy_API.h

@@ -74,6 +74,11 @@ public:
     static PyObject* _currentScene(PyObject*, PyObject*);
     static PyObject* _createScene(PyObject*, PyObject*);
     static PyObject* _keypressScene(PyObject*, PyObject*); 
+
+    // timer control
+    static PyObject* _setTimer(PyObject*, PyObject*);
+    static PyObject* _delTimer(PyObject*, PyObject*);
+
     // accept keyboard input from scene
     static sf::Vector2i cursor_position;
     static void player_input(int, int);