Add websocket queue
Easier debugging with node-inspector
Mega refactor
* Moving as much code out of server.js as possible
* Removed need for ast stuff in importScripts

Working towards #46
Moving uncaught error logging back to server.js rather than handing off processing completely
PromiseEvent to InstallPhaseEvent (spec’d name)
waitUntil currently only takes a single promise
Merge pull request #50 from jakearchibald/master

Refactor & specify.