old_contents: 
  VERSION = ['2013', '1', '1']
  FINAL=False
  
  def version_string():
      if FINAL:
          return '.'.join(filter(None, VERSION))
      else:
          return '.'.join(filter(None, VERSION))+"dev"
          
  
  
new_contents: 
  VERSION = ['2013', '2', '1']
  FINAL=False
  
  def version_string():
      if FINAL:
          return '.'.join(filter(None, VERSION))
      else:
          return '.'.join(filter(None, VERSION))+"dev"
          
  
  
subject: Bump release number