Use PUT requests to add/update list subscribers during enrollment actions. Prevents an issues preventing existing subscribers from being added to groups if they has previously been added to the list from a different source.
Fixed issue with merge codes on WP Editors for notifications, emails, etc…
Update notifications query to only return results related to posts which actually exist. Prevents errors occurring when reviewing achievements on the student dashboard for courses, lessons, etc which have been deleted/trashed.
Only display quiz time limit meta information when a time limit exists
Fix display of quiz question order (question x of x)
Improved logic powering quiz attempt grading for increased consistency, especially with regards to floats and rounding
