public function isMostRecent()
    {
        if (!isset($this->isMostRecent)) {
            $app = Facade::getFacadeApplication();
            $db = $app->make('database')->connection();
            $cvID = $db->fetchColumn('select cvID from CollectionVersions where cID = ? order by cvID desc', array($this->cID));
            $this->isMostRecent = ($cvID == $this->cvID);
        }

        return $this->isMostRecent;
    }