www/py-wsgidav: 1.2.0 -> 2.0.0

• Updated to 2.0.0
• Added runtime depends
• Support Python 3
• Drop support for Python 2.6
• New options server and server_args
• Removed ext_servers option
• New command line option --server (defaults to cherrypy)
• New command line option --no-config
• Removed command line option -d use -vv instead

PR: 213194
Changes: https://github.com/mar10/wsgidav/blob/master/CHANGELOG.md
Submitted by: Ultima1252@gmail.com (maintainer)