Function: Check if user can edit a question.
Function: Check if user can change post label.
Function: Check if user can comment on AnsPress posts.
Function: Check if user can edit comment.
Function: Check if user can delete comment.
Function: Register anspress option tab and fields.
Function: Output option tab nav.
Function: Display fields group options. Uses AnsPress_Form to renders fields.
Function: Update user role.
Function: Return all option groups.