+ Added `Sequence[T]` as a supported type to the ColorizingArgumentParser. + Bug fixes.
2.9.1
+ Update `README.md`.
2.9.0
+ Added `<<` and `>>` (left shift and right shift operators) to `log21.Logger.Logger`.
2.8.1
+ Fixed Carriage Return Handling. + Fixed setting level using `log21.basic_config` + Added more configuration for developer tools to the `pyproject.toml` file. + Added pre-commit.