text: Title: Implement keyboard.send_keys_directx(...): use scan codes for DirectX games
  Body: The potential solution is found on Reddit: https://www.reddit.com/r/learnpython/comments/7yquo6/moving_mouse_in_a_unity_window_with_python/
  
  This is a DirectInput scan codes:
  http://www.gamespp.com/directx/directInputKeyboardScanCodes.html