I'm the author of this gem -- more than happy to help out with it.<p>The problem it solves is small but important, and this is now the third company at which I've solved it...so I'm sure there are more folks out there dealing with this same issue. ;)
This is similar to the Sysadvent 2013 post by TR Jordan on using an `X-Trace` header to track users across your stack:<p><a href="http://sysadvent.blogspot.com/2013/12/day-5-gentle-introduction-to-x-trace.html" rel="nofollow">http://sysadvent.blogspot.com/2013/12/day-5-gentle-introduct...</a>