Merge pull request #77 from kturney/waitUntil

add missing waitUntil stub in dispatch

Author: hankjacobs

lib/cloudworker.js

@@ -45,6 +45,7 @@ class Cloudworker {
 
       const event = new runtime.FetchEvent('fetch', {request: request})
       event.respondWith = respondWith
+      event.waitUntil = () => {}
       event.onError = error
       this.dispatcher.emit('fetch', event)
     })