jenkinsci/instant-messaging-plugin — pull request #12 by POPSuL (2014-01-03 02:58:36+00:00)
Title: Support for case insensitive commands

This feature is needed because, imho, many people use an automatically capitalization in own IMs, and IM bot doesn't understand commands like "! Help", "! HELP"? etc., and this pull-request fixes it problem.