Git commits in Moodle 3.6.4 by sam marshall
commit 2327fedbea4c6a0c99f417e1476afe6fb0970812 Author: sam marshall <s.marshall@open.ac.uk> Date: Thu, 18 Apr 2019 22:04:15 +0800 Tag: v3.6.4 MDL-65375 Restore: Null data in other field should be serialised
commit 00c706dc8a57a0500aa90bfd107ace347eeb617d Author: sam marshall <s.marshall@open.ac.uk> Date: Fri, 01 Mar 2019 01:36:30 +0800 Tag: v3.6.4 MDL-64979 Behat: Add option to increase timeouts