racker/node-tryfer — pull request #18 by wadey (2013-12-16 20:14:36+00:00)
Title: use node-microtime module for timestamps

add node-microtime as an optionalDependency, and use it for microsecond
timestamps instead of Date.now() * 1000. If the dependency cannot be
installed (since it is a native module) fail back to the old method.

https://github.com/wadey/node-microtime