* Match requests in cassette by hash
* Strip requests more extensively for VCR
* Sort JSON keys on cassette save
* Strip max_tokens from cassettes
* Improve logging in retry decorator
* Raise when quota exceeded
* Clean up @retry_api
* Fix @retry_api
* Remove dead tests/vcr/openai_filter.py
* Add debug logging to execute_python_file
* Make Docker CI pass
* Rearrange tests into unit/integration/challenge categories
* Fix linting + `tests.challenges` imports
* Fix obscured duplicate test in test_url_validation.py
* Move VCR conftest to tests.vcr
* Specify tests to run & their order (unit -> integration -> challenges) in CI
* Fail Docker CI when tests fail
* Fix import & linting errors in tests
* Fix `get_text_summary`
* Fix linting errors
* Clean up pytest args in CI
* Remove bogus tests from GoCodeo
