What's Changed
* Fix type hints by rmorshea in https://github.com/rmorshea/pybooster/pull/37
* Update README.md by rmorshea in https://github.com/rmorshea/pybooster/pull/38
* bump version by rmorshea in https://github.com/rmorshea/pybooster/pull/39
**Full Changelog**: https://github.com/rmorshea/pybooster/compare/v0.0.3...v0.0.4