Move `CacheList` to be async. Fixes #142
Move `CacheList` to be async. Fixes #142

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