old_contents: __version__ = '0.5.2'
  __version_name__ = 'Yurizaki Mira-tan'
  
  
  def version_string():
      return '%(prog)s version %(version)s "{}"'.format(__version_name__)
  
new_contents: __version__ = '0.6'
  __version_name__ = 'Ichimonji Mei'
  
  
  def version_string():
      return '%(prog)s version %(version)s "{}"'.format(__version_name__)
  
subject: Bump version number.