Client engine should now be completely thread safe. const int& -> int. Player CardsValue is now returned as copy, not the array itself.

src/session.h

@@ -55,7 +55,7 @@ public:
 
 	void sendClientPlayerAction();
 
-	void setCurrentGameID(const int& theValue) { currentGameID = theValue; }
+	void setCurrentGameID(int theValue) { currentGameID = theValue; }
 	int getCurrentGameID() const { return currentGameID; }
 
 	void sendChatMessage(const std::string &message);