public function output($name, $default = false)
    {
        if (isset($this->blocks[$name])) {

            echo $this->blocks[$name];

            return true;
        }

        if (isset($this->blockDefaults[$name])) {

            echo $this->blockDefaults[$name];

            return true;
        }

        if (false !== $default) {
            echo $default;

            return true;
        }

        return false;
    }