old_contents: #!/usr/bin/env python
  # -*- coding: utf-8 -*-
  
  __author__ = 'Sebastien Estienne'
  __email__ = 'sebastien.estienne@gmail.com'
  __version__ = '0.2'
  
new_contents: #!/usr/bin/env python
  # -*- coding: utf-8 -*-
  
  __author__ = 'Sebastien Estienne'
  __email__ = 'sebastien.estienne@gmail.com'
  __version__ = '1.1.1'
  
subject: Increase version number