Added template context API and render_getpage_norender hook. This allows variable sets to be pushed and popped from $template, so that variables in a template inclusion can be accessed and pre-processed by plugins.
+ − ALTER TABLE {{TABLE_PREFIX}}session_keys ADD COLUMN key_type tinyint(1) NOT NULL DEFAULT 0;
+ − UPDATE {{TABLE_PREFIX}}session_keys SET key_type = 2 WHERE auth_level > 2;
+ − ALTER TABLE {{TABLE_PREFIX}}users ADD COLUMN user_dst varchar(11) NOT NULL DEFAULT '0;0;0;0;60';
+ − ALTER TABLE {{TABLE_PREFIX}}users ADD COLUMN user_rank_userset tinyint(1) NOT NULL DEFAULT 0;