0.2.0

What's Changed

• add readme and changelog by @graingert in #21
• Add link to PyPI by @graingert in #22
• changes from 3.12.8, add a smoke test, make uncancel installation simpler by @graingert in #23
• bump version to 0.2.0 by @graingert in #24

Full Changelog: 0.1.1...0.2.0