chore: improved pyboy compatibility layer

examples/python/pocket_pyboy.py

examples/python/pocket_pyboy_iface.py

examples/python/pyboy/gamewrapper_tetris.py

src/python/boytacean/__init__.py

src/python/boytacean/gb.py

src/python/boytacean/graphics.py

src/python/boytacean/pyboy.py

src/python/boytacean/video.py