Fix requirements dependencies

Ignore venv dir

Upgrade dev requirements

Added tag 0.7 for changeset 2f9cee2e1778

Bump version to 0.7.

Bugfix: allow string lists for aka, affix and company.

Added tag 0.6 for changeset 96453628a20b

Update README.

Bump version to 0.6.

Final build tweak.

More tweaks to tox and CI build.

Update build.yml to invoke tox.

Add tox to dev requirements.

Don't use develop mode with tox (hides installation bugs).

Bug fix: install bbdb.lark as package data.

Added tag 0.5 for changeset 398d104d33c6

Set release date.

Tweaks to setup.cfg.

Minor typing tweak.

Move pytest settings to tox.ini.