v1.3.0

* Drop support for Python 3.6, which went end-of-life December 2021 by
  @anoadragon453 in
  #28
* Configure setuptools to automatically discover new modules under
  `src/matrix_common` by @anoadragon453 in #27
* Add a `MXCUri` class for representing Matrix media uri's by
  @anoadragon453 in #29

**Full Changelog**: v1.2.1...v1.3.0

Fix not using `os.cwd` in get_distribution_version_string.

An oversight in 1.2.0.

Optionally allow a cwd for get_distribution_version_string

See #25

Bump package version

Initial release.

Add `glob_to_regex` and `to_word_pattern` from Synapse.