AMOS BEGIN
    CPY [invalidrequest,enrol_lti],[invalidrequest,enrol]
AMOS END

Only exclude new submission records from the sorting, draft and reopened submission are valid.

I've wrapped the custom modal styling in the .modal class. This prevents
those custom styles from being pulled in when the SCSS @extend
functionality is used to extend the modal components.

pagelib uses magic getters for both the course, and category.
It does not define the magic __isset function though.

The URL change belongs in the calendar_view, not the view_manager.
The view_manager is responsibe for updating the view, not for the
resultant actions from it.

This also changes to use pushState so as not to overwrite the current
location in history.