Author: Mathew May
MDL-68946 tool_task: Make clionly string handling more consistent
http://git.moodle.org/gw?p=moodle.git;a=commit;h=329d3a8de5d5dcbce0a5e90e00fc0241b2d3238c
http://github.com/moodle/moodle/commit/329d3a8de5d5dcbce0a5e90e00fc0241b2d3238c
+ 3.9 en [cronwarningneverweb,core_admin]