* Raise `GitWildMatchPatternError` for invalid git patterns.
* Fix for duplicate leading double-asterisk, and edge cases.
* Fix matching absolute paths.
* API change: `util.normalize_files()` now returns a
`Dict[str, List[pathlike]]` instead of a `Dict[str, pathlike]`.
* Added type hinting.
OBS-URL: https://build.opensuse.org/package/show/devel:languages:python/python-pathspec?expand=0&rev=17