What's Changed
* Support formatting axes and put score in chart message. by vengroff in https://github.com/vengroff/impactchart/pull/18
* Refactor so main() uses the optimization and plotting options in the model. by vengroff in https://github.com/vengroff/impactchart/pull/19
* Add coverage report job. by vengroff in https://github.com/vengroff/impactchart/pull/20
* Generate badges. by vengroff in https://github.com/vengroff/impactchart/pull/21
**Full Changelog**: https://github.com/vengroff/impactchart/compare/0.3.1...0.4.0