What's Changed
* fix cov dimension by HDembinski in https://github.com/HDembinski/jacobi/pull/21
* improve plots and readme by HDembinski in https://github.com/HDembinski/jacobi/pull/22
* restructuring files by HDembinski in https://github.com/HDembinski/jacobi/pull/23
**Full Changelog**: https://github.com/HDembinski/jacobi/compare/v0.4.1...v0.4.2