Exit early for requests with no route for optional too

Author: DavidPetkovsek

include/crow/http_connection.h

@@ -113,7 +113,7 @@ namespace crow
         {
             routing_handle_result_ = handler_->handle_initial(req_, res);
             // if no route is found for the request method, return the response without parsing or processing anything further.
-            if (!routing_handle_result_->rule_index && !routing_handle_result_->catch_all && req_.method != HTTPMethod::Options)
+            if (!routing_handle_result_->rule_index && !routing_handle_result_->catch_all && (req_.method != HTTPMethod::Options || routing_handle_result_->method == HTTPMethod::InternalMethodCount))
             {
                 parser_.done();
                 need_to_call_after_handlers_ = true;