public function get($modelName)
    {
        $modelNamespace = Configuration::read('mvc.model.namespace');
        $modelNamespace = $modelNamespace . '\\' . ucFirst($modelName);
        if (!class_exists($modelNamespace)) {
            trigger_error('Model "' . $modelNamespace . '" doesn\'t exist.', E_USER_ERROR);
            return false;
        }
        return new $modelNamespace();
    }