Add logging on errors with non-positive error code.

telegram-bot-api/Client.cpp

@@ -60,6 +60,10 @@ void Client::fail_query_with_error(PromisedQueryPtr query, int32 error_code, Sli
   int32 real_error_code = error_code;
   Slice real_error_message = error_message;
   if (error_code < 300 || error_code == 404) {
+    if (error_code <= 0) {
+      LOG(ERROR) << "Receive error \"" << real_error_message << "\" with code " << error_code << " from " << *query;
+    }
+
     error_code = 400;
   }
   if (error_code == 400) {

telegram-bot-api/WebhookActor.cpp

@@ -166,7 +166,7 @@ td::Status WebhookActor::create_connection() {
       Callback &operator=(Callback &&) = delete;
       ~Callback() {
         if (!actor_.empty()) {
-          send_closure(std::move(actor_), &WebhookActor::on_socket_ready_async, td::Status::Error("Cancelled"), id_);
+          send_closure(std::move(actor_), &WebhookActor::on_socket_ready_async, td::Status::Error("Canceled"), id_);
         }
       }
       void on_connected() override {