Implementation stub for FsEventWrap. Hide "private" funcs in AsyncWrap.
More hiding of private methods on Async object
Get fs_event_wrap.js mostly going
Get FSEvent callbacks working in 3 simple steps!
Don't be all hoggy with the event loop. Spawn a thread and notify.
Unused imports
How to be a better behaved thread in 3 simple steps!

1) Be careful about race conditions
2) Close your watcher before joining the thread
3) Profit!