Fixes to closing of listener socket to R
Less slow test script
Use correct library for jzmq
[experimental] add TTL to statuses collection
Define a common package

- Currently includes utilities for zeromq
Dispatch to workers based on method
Set timeout on Thread/join for RServe updates
More slow slow.R test script
Fix creation of mongodb collection if already exists
Do not run nrepl in development
Cleanup
Ping-Pong between workers and server