old_contents: __description__ = "VOEvent Broker"
  __url__ = "http://comet.transientskp.org/"
  __author__ = "John Swinbank"
  __contact__ = "swinbank@princeton.edu"
  __version__ = "2.0.0"
  
new_contents: __description__ = "VOEvent Broker"
  __url__ = "http://comet.transientskp.org/"
  __author__ = "John Swinbank"
  __contact__ = "swinbank@princeton.edu"
  __version__ = "2.0.1-pre"
  
subject: Set version 2.0.1-pre.