code: def fatal(msg, exitcode=1, **kwargs):
      
      # NOTE: Can't use normal arg named `pause` since function has same name.
      pause_before_exit = kwargs.pop("pause") if "pause" in kwargs.keys() else False
      echo("[FATAL] " + msg, **kwargs)
      if pause_before_exit:
          pause()
      sys.exit(exitcode)
docs: Prints a message then exits the program. Optionally pause before exit
      with `pause=True` kwarg.