TL;DR:
1. adding more support for jax functions by registering method dispatched to primitives
2. behind-the-scenes rearrangement of modules for a cleaner API.
What's Changed
* refactor: rename module to cartesian by nstarman in https://github.com/GalacticDynamics/coordinax/pull/147
* feat: constructor with units by nstarman in https://github.com/GalacticDynamics/coordinax/pull/148
* fix: type annotation by nstarman in https://github.com/GalacticDynamics/coordinax/pull/149
* Refactor neg by nstarman in https://github.com/GalacticDynamics/coordinax/pull/150
* feat: acc ND by nstarman in https://github.com/GalacticDynamics/coordinax/pull/151
* feat: misc cleanups by nstarman in https://github.com/GalacticDynamics/coordinax/pull/152
* feat: sphere constructor by nstarman in https://github.com/GalacticDynamics/coordinax/pull/155
* refactor: represent_as by nstarman in https://github.com/GalacticDynamics/coordinax/pull/154
* refactor: aval by nstarman in https://github.com/GalacticDynamics/coordinax/pull/156
* refactor: remove AdditionMixin by nstarman in https://github.com/GalacticDynamics/coordinax/pull/157
* refactor: move to dispatches by nstarman in https://github.com/GalacticDynamics/coordinax/pull/153
* refactor: move to _coordinax folder by nstarman in https://github.com/GalacticDynamics/coordinax/pull/158
* refactor: runtime type-checking off by default by nstarman in https://github.com/GalacticDynamics/coordinax/pull/159
* Refactor: rename modules by nstarman in https://github.com/GalacticDynamics/coordinax/pull/160
* docs: add docs for utils by nstarman in https://github.com/GalacticDynamics/coordinax/pull/161
* docs: misc improvements by nstarman in https://github.com/GalacticDynamics/coordinax/pull/162
**Full Changelog**: https://github.com/GalacticDynamics/coordinax/compare/v0.9.0...v0.9.1