Pygame-menu

- Fix docs, 298.
- Menu now accepts widget id on select and remove, 295.
- Fix typos.

- Improve rect usage on widgets.
- Overflow Menu constructor parameter now accepts a single bool value.
- Fix docs

- Fixed ``Widget`` translation error.
- Fixed mouse click events.

- Fix widget translation.
- Fix typo and docs.
- Improved resource size.
- Fix joypad left/right events.
- Added reset parameter to Menu clear method, 276.
- Fixed Menu mainloop background function save.
- Fixed TextInput cursor position and clock.
- Fixed pygame 1.9.3 support.

- Fix critical menu positioning error.
- Added ``BaseImage`` copy/deepcopy support.
- Fixed critical ``TextInput`` and ``ColorInput`` underline errors.
- Added Menu ``get_width`` method.
- Added ``get_thickness`` method to ``ScrollBar`` widget.
- Added ``\n`` support for Menu ``add_label`` method.

- Added ``PyInstaller`` support, 212, 264.
- Added ``pathlib.Path`` support on ``BaseImage`` and ``Image`` widget.
- Menu widget positioning fixes.
- Added ``SOUND_EXAMPLE`` to ``pygame_menu.sounds``.
- Fix ``ColorInput`` rendering.
- Improve docs and tests.