Implemented a lot of LuprexSockets

Source/Integration/LuprexSockets.hpp

@@ -1,6 +1,7 @@
 #pragma once
 
 #include "CoreMinimal.h"
+#include <string>
 
 // Class FLpxSockets
 //
@@ -37,6 +38,9 @@ public:
 	// Delete the luprex socket system.  Cleanly closes all sockets.
 	virtual ~FLpxSockets() {}
 
+	// Obtain any error status report.
+	virtual std::string GetError() = 0;
+
 	// The update routine relays data into and out of
 	// luprex via TCP/IP sockets.
 	virtual void Update() = 0;