Added DataAvailable method in TcpClient which will return the number of bytes available in the stream

Config functions are now inline
NetworkMessage and NetworkBuffer are being reworked

include/NetworkBuffer.hpp

@@ -12,7 +12,7 @@ struct NetworkBuffer
 	NetworkBuffer();
 	~NetworkBuffer();
 
-	uint32 body_size;
+	byte *header = nullptr;
 	byte *body = nullptr;
 };
 

include/TcpClient.hpp

@@ -34,7 +34,12 @@ public:
 
 	bool Connect();
 
+	bool DataAvailable(uint16 &size);
+
+	//this method will receive the messages automaticaly and use the callback methods
 	void ReceiveMessages();
+	
+	//this is a more manual method with no callbacks
 	const NetworkMessage &ReceiveMessage();
 	void SendMessage(const NetworkMessage &message);