gzip in virtuamin backups with --rsyncable option

Hi

Virtualmin backups use the gzip option --rsyncable ?

It would be very good because the files tar.gz would be much more rsync friendly.

You must only add the --rsyncable option to gzip environment variable.

http://www.s3rsync.com/index.php/Web_links#Gzip_rsyncable

Thanks for your work.

roberto