Add a perl module to the Puppetfile
I like perl

    Vader: Don't be too proud of this technological terror you've constructed. The ability to destroy a planet is insignificant next to the power of the Force.
    Motti: Don't try to frighten us with your sorcerer's ways, Lord Vader. [Vader walks toward Motti, then slowly raises his hand] Your sad devotion to that ancient religion has not helped you conjure up the stolen data tapes or given you clairvoyance enough to find the Rebels' hidden fort- [grasps his throat as if he is being choked]
    Vader: I find your lack of faith disturbing.
Merge pull request #63 from alphagov/perl

Add perl module