You could download and use this software according to the Perl license model described by Larry Wall. So you are able to use this code either under the GPL v2 license or under the Artistic license.
Please be aware, that in difference to the original Perl licenses at this moment only v2 of GPL or the Artistic license are possible.
I simply need more time to read and think about the other versions of GPL, specially v3 does not really sound like a good license to me ;-)