Developer credits
Git commits in Moodle 2.7.2 by John Okely
commit 5f399d0c526d62529a0cc9bbf99b4996de0b71b6 Author: John Okely <john@moodle.com> Date: Thu, 17 Jul 2014 16:42:42 +0800 Tag: v2.7.2 MDL-45339 Libraries: Add a note to docblock of get_config, set_config, and unset_config to note they are used in lib/db/upgrade.php