Test pypi release

This Pre-release will check for pip publishing.

v0.3.0

Previously published as v0.2.5. In deviance of SemVer conventions, cargo considers v0.2.4 and v0.2.5 compatible. To prevent users from experiencing unexpected breakage due to public API changes, v0.2.5 was yanked and re-published as v0.3.0 instead.