Developer credits
Git commits in Moodle 2.9.5 by Kevin Bruton
commit 193982441d65bd4b49fe728f59114fcbc6cb5bff Author: Kevin Bruton <kevin.jose.bs@gmail.com> Date: Sun, 10 Jan 2016 07:12:58 +0800 Tag: v2.9.5 MDL-52568 core_cohort: added ability to return all cohorts in WS