Added a virtual destructor to the Sock class, which would allow Server and Client to override it

includes/sock.hpp

@@ -34,6 +34,9 @@ public:
 	/* Default constructor */
 	Sock() {}
 
+	/* Virtual destructor */
+	virtual ~Sock();
+
 	/* Regular constructor - defined in sock.cpp */
 	Sock(int ip_ver, char protocol, const char* address, int port);