Verbiage tweak: On preview, preserve arguments passed when recommending to run again?

[umbrae]

I passed this to git sweep to see what I needed to clean up:

git-sweep preview --master prod

As a result, I got a list of branches, and at the end:

To delete them, run again with `git-sweep cleanup`

But that's not strictly correct, because I passed in the --master argument. I suspect we should either paraphrase here (just say "re-run with cleanup rather than preview" or something), or preserve all of the arguments passed in in the recommended command to run next.

Low priority, but I could envision some pretty bad results if people do the wrong thing here.

[robmadole]

Completely agree! That could be horrible. Adding this to 0.1.1 milestone. Thanks, Chris.