Developer credits
Git commits in Moodle 2.5.7 by James Pratt
commit 60c66becbcaa5db9637a07d79d1614aef2f2cab7 Author: James Pratt <me@jamiep.org> Date: Thu, 22 May 2014 13:10:07 +0800 Tag: v2.5.7 MDL-42526 mod_assignment : fix record insert with assigment.id 0