New Features:
Added quiz category watch support
Added member stats - most quizzes created and most quizzes completed
Added "Quizzes" tab on member view page
Added option to show disabled "next question" button when answering current question is required
Changes:
Bring back support for XF 2.2 with stubs for functionality used in XF 2.3.
Important Note: The recommended version is still XF 2.3 and will be the main focus of add-on development.