* fixed recovering account and changing password when salt is enabled

* added 'enabled' field in myaac_hooks table, which can enable or
disable specified hook
* password change minimal/maximal length is now more precise

install/includes/schema.sql

@@ -112,6 +112,7 @@ CREATE TABLE `myaac_hooks`
 	`name` VARCHAR(30) NOT NULL DEFAULT '',
 	`type` INT(2) NOT NULL DEFAULT 0,
 	`file` VARCHAR(100) NOT NULL,
+	`enabled` INT(1) NOT NULL DEFAULT 1,
 	PRIMARY KEY (`id`)
 ) ENGINE = MyISAM;