Fixed logging of refering spam (when spam refs are not blocked)
Fixed group permissions
Fixed "Undeclared entity error" with the htmlchecker, e.g. if " " got used. (blueyed)
Locales have been standardize to ISO-3166
Additional bug fixes.
Standardized Meta robots handling with robots_tag(); set $robots_index and $robots_follow to NULL if you want to completely with a plugin. Set them to true within a plugin to have them handled by the core.