Backup Function changes.

- The version file has been added in backup

- After importing backup, the folder /home/multiweb was getting deleted

- If comment is not given while taking backup (from the Web GUI), the importing of that backup file was giving a version error.

- After the number of backup files to be kept in the firewall reaches the maximum number configured, and then if the date is changed to past, the subsequent backups were failing.

These were fixed in software version 3.01 or greater. See Resolution 1867 on our Web site for the upgrade procedure: