protected function _isHelpRequested($args) {
        if (array_key_exists('help', $args)) {
            return true;
        }

        if (!$this->_isFirstArgumentGiven($args)) {
            return false;
        }

        $helpWasAsked = strcasecmp($args[0], 'help') === 0;
        return $helpWasAsked;
    }