Elimination of Service object,

Command.cpp

@@ -1,9 +1,8 @@
 #include "Command.h"
-#include "Session.h"
 
 namespace core {
    
-   int Command::processCommand(std::string request, Session *session, std::stringstream &data) {}
+   int Command::processCommand(std::string request, TCPSession *session, std::stringstream &data) {}
    
    void Command::output(Session *session) {}