Change from PageRole.childRole to .isSection.
Add function delete_page(site-id, page-id).
Add SpecialContent page role.
Rename loadPage() to loadPageParts(), return None if no actions found.
Have loadPageMeta() return None only if page doesn't exist.
Rename ForumGroup/Forum to Forum/ForumCategory

Change 'FG' and 'F' to 'F' and 'FC' in the database.