///
/// \brief Changes the power level of a room
///
/// \param [in] room The room name as a string
/// \param [in] up If the power should be increased or decreased
/// \return Returns the rooms new power level
///
/// \details Will return -1 if the room is not found
///
int _changeRoom(string room, bool up)
{
int ret = rooms.changePower(room, up, aPower);
updateText();
return(ret);
}
