+ setup files. Also gone with it is the "user()" pagespec.
+ * Add refresh hook.
+ * meta: Add pagespec functions to match against title, author, authorurl,
+ license, and copyright. This can be used to create custom RecentChanges.
+ * meta: To support the pagespec functions, metadata about pages has to be
+ retained as pagestate.
+ * Fix encoding bug when pagestate values contained spaces.