Adrian Perez de Castro <aperez@igalia.com> (20):
      Update to more modern packaging practices
      Add a configuration file for pytest
      CI: Switch to GitHub actions
      Use tox to run tests
      Append-combine coverage info
      Revamp: Use Nox, add linting, remove stale files
      Avoid using a bare "except" without a type match
      CI: Use the Python coveralls package directly
      nox: Soup up the linting target
      Fix up linting issues
      More linting improvements
      Simplify some code, use string formatting coherently
      coverage: Adjust same-source match rule
      Support enum types as option arguments
      nox: Also run doctests using xdoctest
      Bump minimum Python required version to 3.6
      Apply black and isort, add corresponding nox session stuff
      readme: Update build/test status badge
      Setup Towncrier for the project
      Release v3