Log Message:
py-SDL2: updated to 0.9.17

0.9.17

New Features:

* Updated to wrap new function added in SDL_image 2.8.0
* Updated to wrap new hints added in SDL 2.28.2 and 2.28.5
* Updated to wrap new functions and constants in SDL2 2.30.10
* Updated to wrap new functions and constants in SDL_mixer 2.8.0
* Added a new function :func:`~sdl2.ext.get_key_state` for checking if a given
  key is currently down or up independently of the SDL event queue.

Fixed Bugs:

* Fixed proper exporting of controller enum constants for the NVidia Shield and
  Joycon controllers.