message: Glues the original stack trace to the error if we take it over
diff: @@ -43,5 +43,10 @@ export default (err, _req, _res, next) => {
  error.message = err.message;
  }
  + if (error) {
  + // Pass along the original stack
  + error.stack = err.stack;
  + }
  +
  return next(error || err);
  };
  