Added conversion from Handshake to NetworkMessage and vice versa

Added a new ConnectionCode - Close
TcpServer: AddToClientsList and AllocateID are now called add_to_clients_list and allocate_id respectively and are now private, removed SendHandshake method - we now use SendMessage method and the HandshakeToNetworkMessage method in the Handshake class
Added a new method to Utility::StringConverter - FromString
Changed NetworkMessage conversions to allow Handshake conversions
NetworkMessage: if subject is 1 then the NetworkMessage is a handshake
I may be missing something but im going to check it
I may be overcomplicating this but i want to make it as simple as possible xD

include/Defs.hpp

@@ -233,7 +233,8 @@ enum DistributionType
 enum ConnectionCode
 {
 	Accept,
-	Reject
+	Reject,
+	Close
 };
 
 enum InternalTags

include/Handshake.hpp

@@ -6,6 +6,7 @@
 #endif
 
 #include "Defs.hpp"
+#include "NetworkMessage.hpp"
 
 #include <vector>
 
@@ -17,6 +18,8 @@ struct Handshake
 
 	static const std::vector<byte> &EncodeHandshake(const Handshake &handshake);
 	static Handshake &DecodeHandshake(const std::vector<byte> &bytes);
+	static const NetworkMessage &HandshakeToNetworkMessage(const Handshake &handshake);
+	static const Handshake &NetworkMessageToHandshake(const NetworkMessage &message);
 
 	uint16 id;
 	byte con_code;

include/TcpServer.hpp

@@ -19,13 +19,10 @@ struct TcpServer
 
 	void Shutdown();
 
-	uint16 AllocateID();
-	void AddToClientsList(TcpClient &client);
 	bool StartServer(bool accept_connections); // if accept_connections is false the user must call the funcion AcceptConnections()
 	void AcceptConnections();
 
 	void SendMessage(const NetworkMessage &message);
-	void SendHandshake(const Handshake &handshake);
 
 	void RejectConnection(TcpClient &client);
 	void AcceptConnection(uint16 client);
@@ -44,6 +41,10 @@ private:
 	static void process_client_messages(TcpServer *server, TcpClient &client);
 	static void accept_connections(TcpServer *server);
 
+	void add_to_clients_list(TcpClient &client);
+
+	uint16 allocate_id();
+
 	void shutdown_internal();
 
 	bool initialize(uint16 port = default_server_port);

include/Utility.hpp

@@ -56,6 +56,8 @@ struct Utility
 		static const std::string &ToString(int64 value);
 		static const std::string &ToString(const std::vector<byte> &bytes);
 
+		static const std::vector<byte> &FromString(const std::string &str);
+
 		static const std::string &ToString(const std::vector<byte> &bytes, uint16 start_index = 0, uint16 lenght = 0);
 
 		static const std::string &Trim(std::string &str, char ch);

include/VoidNetServer.hpp

@@ -9,6 +9,8 @@
 
 struct VoidNetServer
 {
+	void StartServer(uint16 port);
+	void StopServer();
 private:
 	TcpServer server;
 };