Merge 0.4.2 upgrade from Testing to Master

[MayeulC]

Problem

• Outdated Master

Solution

• Merge Testing

PR Status

• [X] Code finished and ready to be reviewed/tested
• [X] The fix/enhancement were manually tested (if applicable)

Automatic tests

Automatic tests can be triggered on https://ci-apps-dev.yunohost.org/ after creating the PR, by commenting "!testme", "!gogogadgetoci" or "By the power of systemd, I invoke The Great App CI to test this Pull Request!". (N.B. : for this to work you need to be a member of the Yunohost-Apps organization)

[MayeulC]

This works well on my end. Tests already passed in #71. Merging in 3 days.