Glob2

- Fix deprecation warning.

- Support dummy recursive parameter in APIs to match the new
call signature of Python 3.
- Fix lru_cache (Kostis Anagnostopoulos).
- Introduce norm_paths and case_sensitive options to optionally
change the behaviour (Kostis Anagnostopoulos).

- include_hidden option.
- Python 3 fixes.
- Publish a wheel.

- Support Python 3.

- Fix non-glob patterns (patch by Zalan).
- Don't shadow internal "glob" module.

- Initial release.