Joel Berger suggested jotting down where we started and changing back to there. 

http://oylenshpeegul.typepad.com/blog/2013/03/perl-modules-on-cpan-and-github.html?cid=6a0133f3b2732e970b017ee9698bd2970d#comment-6a0133f3b2732e970b017ee9698bd2970d

If we do that, I suppose we can safely have `CLEANUP => 1`