code: private void handle401(final YokeRequest request, final Handler<Object> next) {
          YokeResponse response = request.response();
          response.putHeader("WWW-Authenticate", "Basic realm=\"" + getRealm(request) + "\"");
          response.setStatusCode(401);
          next.handle("No authorization token");
      }
docs: Handle all forbidden errors, in this case we need to add a special header to the response
  
  @param request yoke request
  @param next middleware to be called next