bdurand/lumberjack — pull request #10 by RyanScottLewis (2013-02-05 15:13:42+00:00)
Title: Use SecureRandom to generate `unit_of_work_id`

[`SecureRandom.hex`](http://rubydoc.info/stdlib/securerandom/1.8.7/SecureRandom#hex-class_method) is supported back up to 1.8.7