- convert data to a bytearray to more consistently get color info accross
  python versions
doc: ScreenManager: mark switch_to as advanced, highlight screen naming, provide transition example
Merge pull request #2570 from kived/doc-screenmanager-switching

doc: ScreenManager: mark switch_to as advanced, highlight screen naming,...
fix property name in docstring
Merge pull request #2232 from aspidites/py3_read_pixel

- convert data to a bytearray to more consistently get color info accros...