message: Fixed help exit code
diff: @@ -18,11 +18,11 @@ fn print_help_hack() -> Result<()> {
  let mut args = std::env::args();
  if args.len() < 2 {
  HelpOpt {}.process()?;
  - std::process::exit(1);
  + std::process::exit(0);
  } else if let Some(first_arg) = args.nth(1) {
  if vec!["-h", "--help", "help"].contains(&&first_arg.as_str()) {
  HelpOpt {}.process()?;
  - std::process::exit(1);
  + std::process::exit(0);
  }
  }
  Ok(())
  