old_contents: __author__ = "Gustavo Niemeyer"
  __copyright__ = "Copyright (c) 2005-2014 - Gustavo Niemeyer <gustavo@niemeyer.net>"
  __credits__ = ["Sebastien Celles"]
  __license__ = ""
  __version__ = "1.3"
  __email__ = "gustavo@niemeyer.net"
  __status__ = "Development"
  __url__ = 'https://github.com/python-constraint/python-constraint'
  
new_contents: __author__ = "Gustavo Niemeyer"
  __copyright__ = "Copyright (c) 2005-2014 - Gustavo Niemeyer <gustavo@niemeyer.net>"
  __credits__ = ["Sebastien Celles"]
  __license__ = ""
  __version__ = "1.3.1"
  __email__ = "gustavo@niemeyer.net"
  __status__ = "Development"
  __url__ = 'https://github.com/python-constraint/python-constraint'
  
subject: Update version