- drop support for Python < 3.6
- package via Poetry + pyproject instead of Setuptools
- improve testing, linting, and CI tooling
- address Python 3 compatibility regression
- enhance ignore_tags granularity: tags can be filtered on id and class using CSS notation
- move titlecase into the project
- add support for custom ignore tags.
- add Python 3 compatibility
- rectify deprecated function calls
- packaging improvements, including binary wheels