Fix compat with node 0.8.19
Remove node worker ID
Merge pull request #4 from rhaskar/master

Remove Node Worker ID
add modified field in stats dump
Merge pull request #5 from pyke369/master

Yo, pull la request
Add support for arbitrary message to be sent to auditors
Fix IE bug
Fix typo
Update package.json
Switch cluster to msgpack instead of unmaintained msgpack2
Bump version to 2.1.3
Upgrade dependencies
Refactor cluster code to match with new node.js Cluster API
Fix bug clean namespace