Log Message:
py-manuel: updated to 1.12.4

1.12.4 (2022-06-24)

- Remove silly PyPI version badge.

1.12.3 (2022-06-24)

- Modernize internal project structure; drop tox; no user-visible changes \ 
(hopefully).
- Rework coverage badge generation.
- Drop Travis CI badge (the project is using GitHub for CI now)

1.11.2 (2022-05-15)

Fix missing file in release.

1.11.1 (2022-05-14)

Fix brown-bag release.

1.11.0 (2022-05-14)

- Fix test detection in Python 2 which was broken since 1.10.0.
- Add Python 3.9 and 3.10 to tox config.
- Add a Makefile to centeralized development activities.