Developer credits
Git commits in Moodle 3.1.4 by Josh Willcock
commit 1c2f8112127005ae2e982f4ee01afcf582cacb8e Author: Josh Willcock <me@joshwillcock.co.uk> Date: Wed, 30 Nov 2016 01:55:04 +0800 Tag: v3.1.4 MDL-57193 auth_db: Fixed bug suspends all users if external DB has > 10k