* First version of the new registration
* Almost done
* Hopefully final commit
* Minor fixes
* Missing error
* Type fixes
* Type fixes
* Add some type hinting stuff
* Fix an error?
* Fix literal import
* Add a comment
* Add some docstrings
Remove old tests
* Add some docstrings, rename helper functions
* Rename a function
* Registration check fix
* Consistently use `register` instead of `envs.register` in tests
* Fix the malformed registration error message to not use a write-only format
* Change an error back to a warning when double-registering an environment
* Move tests to root with automatic PyCharm import refactoring. This will likely fail some tests
* Changed entry point for a registration test env.
* Move a stray lunar_lander test to tests/envs/...
* black
* Change the version from which importlib_metadata is replaced with importlib.metadata. Also requiring installing importlib_metadata for python 3.8 now.
???????????
* Undo last commit