docs: def pretty_exe_doc(program, parser, stack=1, under='-'):
      """
      Takes the name of a script and a parser that will give the help message for it.
      The module that called this function will then add a header to the docstring
      of the script, followed immediately by the help message generated
      by the OptionParser
  
      :param str program: Name of the program that we want to make the header
      :param optparser.Option parser: Either a parser or a callable with no arguments
                                      that will give the desired parser
      :param int stack: How far up the stack to get the docstring to change
      :param str under: The character you want for the program underline
      """
  
      if os.path.basename(sys.argv[0]) == 'sphinx-build':
          # Get the calling module
          mod = inspect.getmodule(inspect.stack()[stack][0])
  
          # Get parser
          _parser = parser() if '__call__' in dir(parser) else parser
  
          # Make the parser use the correct program
          _parser.set_usage(mod.__usage__.replace('%prog', program))
  
          # Modify docs by adding a header and usate
          mod.__doc__ = '\n'.join(['', program, under * len(program), '::', ''] +
                                  ['    %s' % l for l in _parser.format_help().split('\n')]) + \
                                  mod.__doc__