old_contents: #!/usr/bin/env python
  from setuptools import setup
  
  setup(name="saucebrush",
        version='0.1',
        packages=['saucebrush'],
        )
  
new_contents: #!/usr/bin/env python
  from setuptools import setup
  
  setup(name="saucebrush",
        version='0.5.0-dev',
        packages=['saucebrush'],
        )
  
subject: bump version