Update algorithms: introduce double square bracket notation; shorten variable names and more
Update algorithms: introduce double square bracket notation; shorten variable names and more

justinleoye/ServiceWorker,zuzusik/ServiceWorker,karolklp/ServiceWorker,mkruisselbrink/ServiceWorker,karolklp/ServiceWorker,karolklp/ServiceWorker,martinthomson/ServiceWorker,justinleoye/ServiceWorker,justinleoye/ServiceWorker,slightlyoff/ServiceWorker,martinthomson/ServiceWorker,zuzusik/ServiceWorker,zuzusik/ServiceWorker,chadoliver/ServiceWorker,martinthomson/ServiceWorker,chadoliver/ServiceWorker,chadoliver/ServiceWorker,mkruisselbrink/ServiceWorker,slightlyoff/ServiceWorker