- Update to 6.1.0
* Proxy requests from replica to master are now streamed if possible.
* Dropped support for Python 2.7, 3.4 and 3.5. Python 3.x versions
will be supported until their EOL.
* Remove deprecated command line options which were replaced by
separate scripts.
* The user creation and modification time is now stored.
* add explicit ruamel.yaml dependency declaration after strictyaml
vendored it
* Allow user and index URLs to work with a trailing slash.