Add classes that correspond to SCSS mixins with no arguments
for compatibility with LESS classes
Clean up some built-in functions in functions.php
Add ability to auto-ban IPs that request sensitive URLs for other CMSs
(such as wp-login.php and bbs/login-check.php)
Improve handling of banned usernames, nicknames, etc.
Improve user group management
Clean up the attribute get/set routines for users and documents
Add a simple method to (re-)generate tag records for threads and documents
Add methods to vote a document or comment up or down