Call queue.done() in the request callback
Cleanup batch request

* Adding leading slash to path
* Specify 'Connection: close' header
* Always call queue.done() since KM always returns a 200
* Call request.end()
The host is not in this output line
Remove this test for now, it's too annoying to maintain at the moment
Don't pass options from anon client to parent

None of its options are used
Remove options from KM instance