old_contents: #!/usr/bin/env python
  """
  
  Various constants.
  
  """
  BUILD = 50
  VERSION = "0.0.6"
  RELEASE = VERSION + "r" + str(BUILD)
  
new_contents: #!/usr/bin/env python
  """
  
  Various constants.
  
  """
  BUILD = 50
  VERSION = "0.9.9"
  RELEASE = VERSION + "b" + str(BUILD)
  
subject: Fix version number in version.py