What's Changed
* Improvements to documentation by mayermelhem in https://github.com/pystra/pystra/pull/51
* Fixed a bug in the `Calibration` class for n > 2 by shihabkhan1 in https://github.com/pystra/pystra/pull/56
* Added new tests for `Calibration` by shihabkhan1 in https://github.com/pystra/pystra/pull/56
* Updated the build system by ccaprani in https://github.com/pystra/pystra/pull/57
**Full Changelog**: https://github.com/pystra/pystra/compare/v1.2.2...v1.2.3