Developer credits
Git commits in Moodle 2.5.x by Charles Severance
commit 326dc8f5a8de7b3e82a5fdb43d7e3bc889661fa2 Author: Charles Severance <csev@umich.edu> Date: Sat, 19 Oct 2013 08:57:12 +0800 Tag: v2.5.3 MDL-40531 mod_lti: Various 1.1/1.1.1 fixes.