FIX: fixed some issues with stopping the client

src/DirectCommunicationClient.cpp

@@ -41,14 +41,16 @@ namespace DirectCommunication
     void DirectCommunicationClient::disconnect()
     {   
         sendMessage("CLOSE");
+        std::this_thread::sleep_for(std::chrono::milliseconds(100));
 
         useHandl_ = false;
+        isConnected = false;
         MessageHandle_ = nullptr;
         stopWorker_ = true;
         Worker_.join();
         
         socket_.close();
-        isConnected = false;
+        context_.close();
         
     }