Developer credits
Git commits in Moodle 3.3.x by Mike Olsen
commit 7782e6610b47cc5582531325243ab9e01ead468d Author: Mike Olsen <artfulhacker@echovoice.com> Date: Mon, 20 Mar 2017 12:48:01 +0800 Tag: v3.3.0-beta MDL-58311 cache: Add password support for redis