CHG - Complete rewrite of hook() function.  Not scary, honest :).  Now uses a cached list of functions for faster resolution.  Heavy performance gains.  You can see stats by enabling $draw_performance_footer=true in config.php.  Enjoy!

git-svn-id: http://svn.montala.net/svn/resourcespace@5320 c08608d7-6e46-0410-86ca-f2a6f1370df5