Developer credits
Git commits in Moodle 2.1.x by Gootvilig David Hai
commit 960b382617373fb89f99557f4bd061ecc746206e Author: Gootvilig David Hai <dhg@atarplpl.co.il> Date: Mon, 05 Mar 2012 20:38:13 +0800 Tag: v2.1.5 MDL-31876 questionlib: fix question_has_capability_on memory bloat