Merge pull request #55 from jd-boyd/jdb_v1.0.2b

Fix release directions and license include.

WHoops, wrong version change, should have been 1.0.1.

Fix issue #37.

Merge pull request #34 from mgorny/pytest

Port tests to pytest + CI update + pyproject.toml

Bump to 0.0.3

Bump to 0.0.2

Bump to 0.0.1