----------------
* Add Python 3.8-3.10 to tox.ini. Remove old Python versions.
[stefan]
* Replace deprecated ``python setup.py test`` in tox.ini.
[stefan]
* Remove deprecated ``test_suite`` from setup.py.
[stefan]
* Move lexer into ``pygments_openssl`` namespace.
[stefan]
* Move metadata to setup.cfg and add a pyproject.toml file.
[stefan]
* Include tests in sdist but not in wheel.
[stefan]
* Support new ``.pragma`` and ``.include`` directives.
[stefan]
* Pygments 2.11 whitespace token modernization.
[stefan]