----------------
- Add support for Plone 5.2 and Python 3
[cillianderoiste]
- Use explicit dependency on Products.GenericSetup >= 1.8.2
[laulaz]
- Fix issue with Lineage subsites, where the `many_users` property couldn't be resolved due to a wrong adapter context.
[thet]
- Added French translation
[laulaz]
- minor markup cleanup [ajung]
- Plone 4.3 compatibility
[petschki]
- Minor code cleanup: black, isort, travis fixes.
[thet]