code: function QuestionsStore(options) {
    debug('initializing from <%s>', __filename);
    Cache.call(this, options);
    this.createStores(this, this.options);
    this.listen(this);
  }
docs: Create an instance of `QuestionsStore` with the given `options`.
  
  ```js
  var QuestionsStore = new QuestionsStore(options);
  ```
  @param {Object} `options` question store options
  @api public