Use gzip compression for stubbs:archive --archive rpm.
Use gzip compression for stubbs:archive --archive rpm.

Fixes #172

rerun/rerun,stagrlee/rerun,stagrlee/rerun,sgoings/rerun,rerun/rerun,rerun/rerun,sgoings/rerun,stagrlee/rerun,stagrlee/rerun,sgoings/rerun