implement delivery queue in case notifier gets killed

database.sql

@@ -606,3 +606,9 @@ INDEX ( `iid` )
 ) ENGINE = MyISAM DEFAULT CHARSET=utf8;
 
 
+CREATE TABLE IF NOT EXISTS `deliverq` (
+`id` INT UNSIGNED NOT NULL AUTO_INCREMENT PRIMARY KEY ,
+`cmd` CHAR( 32 ) NOT NULL ,
+`item` INT NOT NULL ,
+`contact` INT NOT NULL
+) ENGINE = MyISAM DEFAULT CHARSET=utf8;