Bookserver

**Full Changelog**: https://github.com/RunestoneInteractive/BookServer/compare/1.5.0...v1.5.1

What's Changed
* Python check endpoint by ascholerChemeketa in https://github.com/RunestoneInteractive/BookServer/pull/119

New Contributors
* ascholerChemeketa made their first contribution in https://github.com/RunestoneInteractive/BookServer/pull/119

**Full Changelog**: https://github.com/RunestoneInteractive/BookServer/compare/1.4.2...v1.5.0

**Full Changelog**: https://github.com/RunestoneInteractive/BookServer/compare/1.4.1...v1.4.2

**Full Changelog**: https://github.com/RunestoneInteractive/BookServer/compare/1.4.0...v1.4.1

**Full Changelog**: https://github.com/RunestoneInteractive/BookServer/compare/1.3.15...v1.4.0

What's Changed
* Fix: Update supported versions of Python. by bjones1 in https://github.com/RunestoneInteractive/BookServer/pull/116


**Full Changelog**: https://github.com/RunestoneInteractive/BookServer/compare/1.3.14...v1.3.15