CHG: changed the return val from the tcp classes to string

src/DirectCommunicationClient.cpp

@@ -46,13 +46,13 @@ namespace DirectCommunication
         
     }
 
-    std::unique_ptr<std::string>  DirectCommunicationClient::getLatestMessage()
+    std::string  DirectCommunicationClient::getLatestMessage()
     {
         if (receivedMessages_.size() > 0) 
         {   
             std::string msg; 
             receivedMessages_.get(msg);
-            return std::make_unique<std::string>(std::move(msg));
+            return msg;
         }
         return nullptr;
     }

src/DirectCommunicationServer.cpp

@@ -47,13 +47,13 @@ namespace DirectCommunication
         }
     }
 
-    std::unique_ptr<std::string>  DirectCommunicationServer::getLatestMessage()
+    std::string  DirectCommunicationServer::getLatestMessage()
     {
         if (receivedMessages_.size() > 0) 
         {   
             std::string msg; 
             receivedMessages_.get(msg);
-            return std::make_unique<std::string>(std::move(msg));
+            return msg;
         }
         return nullptr;
     }