1.1

• move to tox with check-manifest, flake8 and black
• move to the logging module
• move to argparse
• localise date formating https://prosopopee.readthedocs.io/en/latest/configuration.html#date-locale
• allow to customize background-position for full-picture https://prosopopee.readthedocs.io/en/latest/sections.html#full-screen-picture
• add include option https://prosopopee.readthedocs.io/en/latest/configuration.html#include-files
• various bug fixes