The UI to choose a banner to view.

• return: The UI

Standard modular page-link finder function (does not return the main entry-points that are not inside the tree).

• return: A tuple: 1) full tree structure [made up of (pagelink, permission-module, permissions-id, title, children, ?entry point for the children, ?children permission module, ?whether there are children) OR a list of maps from a get_* function] 2) permissions-page 3) optional base entry-point for the tree 4) optional permission-module 5) optional permissions-id (NULL: disabled).

• ?integer $max_depth: The number of tree levels to computer (NULL: no limit)
• boolean $require_permission_support: Whether to not return stuff that does not support permissions (unless it is underneath something that does).
• ?string $start_at: Position to start at in the tree. Does not need to be respected. (NULL: from root)
• boolean $dont_care_about_categories: Whether to avoid returning categories.

Standard modular install function.

• ?integer $upgrade_from: What version we're upgrading from (NULL: new install)
• ?integer $upgrade_from_hack: What hack version we're upgrading from (NULL: new-install/not-upgrading-from-a-hacked-version)

Standard modular uninstall function.