old_contents: #!/usr/bin/env python
  # -*- coding: utf-8 -*-
  __author__ = 'Iacopo Spalletti'
  __email__ = 'i.spalletti@nephila.it'
  __version__ = '0.3.0.b3'
  
new_contents: #!/usr/bin/env python
  # -*- coding: utf-8 -*-
  __author__ = 'Iacopo Spalletti'
  __email__ = 'i.spalletti@nephila.it'
  __version__ = '0.3.0.c1'
  
subject: Bump development version