whole_func_string: function showHelpAndDie(message) {
          if (message) {
              console.error(message);
          }
          console.error(commander.helpInformation());
          process.exit(1);
      }
func_code_string: function showHelpAndDie(message) {
          if (message) {
              console.error(message);
          }
          console.error(commander.helpInformation());
          process.exit(1);
      }
func_documentation_string: This is a bit crappy as it uses the global commander variable. But whaeva.