import passwd_exp 0.5.9 from CPAN

git-cpan-module:   passwd_exp
git-cpan-version:  0.5.9
git-cpan-authorid: SAMSK
git-cpan-file:     authors/id/S/SA/SAMSK/passwd_exp-0.5.9.tar.gz
Merge pull request #1 from gitpan/master

import passwd_exp 0.5.9 from CPAN