Libwayland

- File descriptors received in events are now not implicitly converted to Python file objects.
- Add --verbose command line switch for more output when updating protocol files.
- Add --compare option to compare locally installed and latest official protocol definitions.
- Add interface version and description to type checking / intellisense file.
- Add interface version to protocols.json runtime file.

- Improve low-level socket handling.
- Add support for file descriptors in events.
- Add support for Wayland enum data type.
- Add support for Wayland "fixed" floating point types.
- Search for Wayland protocol definitions online and locally.

- Initial commit.