Changes:
- Add mode aggregation function (#194)
- Update Stata examples (#197)
- Various minor bug fixes, including fixing suppression when
margins=True - Update CI (#207, #208)
- Update packaging (#209)
- Improve robustness of
create_dataframe()(#211) - Add Ruff linting/formatting (#210, #214)
- PEP 257 docstring formatting (#212)
- Remove useless pylint suppression (#213)
- Fix code coverage reporting (#215)
- Limit numpy dependency to less than v2.0.0 (#220)