code: def set_version(self, version):
          
          self.parser.add_argument(
              "--version",
              action="version",
              version="%(prog)s {} (core {})".format(
                  version, devpipeline_core.version.STRING
              ),
          )
docs: Add the --version string with appropriate output.
  
          Arguments:
          version - the version of whatever provides the command