refactoring, expand interface

session_manager.h

@@ -0,0 +1,17 @@
+#ifndef SESSION_MANAGER_H
+#define SESSION_MANAGER_H
+
+#include "conexion.h"
+
+#include <string>
+
+class session_manager
+{
+public:
+  session_manager(conexion* con);
+  conexion* con;
+  bool loggin(std::string username, std::string passwd);
+  int install_command(std::string package);
+};
+
+#endif // SESSION_MANAGER_H