lib/Cache.js
function done () {
    that.fetchQueue.stopFetching(key, arguments);
    that.store(key, arguments, callback);
  }
function done () {
    that.fetchQueue.stopFetching(key, arguments);
    that.store(key, arguments, callback);
  }
function done ( ) { that . fetchQueue . stopFetching ( key , arguments ) ; that . store ( key , arguments , callback ) ; }
This callback is used if async
This callback is used if async