finetuning gameplay and disconnect fix

game/network/session.cpp

@@ -94,7 +94,12 @@ void Session::do_read()
                         char c[]="> ";
                         do_write(c,strlen(c));
                     }
-                }
+                }else if ((asio::error::eof == ec) ||
+                        (asio::error::connection_reset == ec))
+                    {
+                        m_state->quitPlayer(m_pid);
+                    }
+
             });
 }