old_contents: # follow pep-386
  # Examples:
  # * 0.3     - released version
  # * 0.3a1   - alpha version
  # * 0.3.dev - version in development
  __version__ = '0.8'
  __releasedate__ = '20130819'
  
new_contents: # follow pep-386
  # Examples:
  # * 0.3     - released version
  # * 0.3a1   - alpha version
  # * 0.3.dev - version in development
  __version__ = '0.9.dev'
  __releasedate__ = ''
  
subject: Update version to 0.9.dev for development