BGE Py API - GameKeys.EventToString() utility function, makes key configuration menu's easier to write.

own error with blenderplayer, wasnt decreffing the GameLogic module, probably didnt matter since python was restarted anyway, but is incorrect.

source/gameengine/GamePlayer/ghost/GPG_Application.cpp

@@ -716,6 +716,7 @@ void GPG_Application::stopEngine()
 				} else {
 					printf("Error, GameLogic.globalDict could not be marshal'd\n");
 				}
+				Py_DECREF(gameLogic);
 			} else {
 				printf("Error, GameLogic.globalDict was removed\n");
 			}