As to why 7 people have considered this comment unhelpful so far, it completely puzzles me. For Perl's sake, read the module documentation: "The module was supposed to be released by July 2005, to support the book "Perl Best Practices". Unfortunately, due to a series of family medical crises, the release of the module has been delayed [...]"
Well, it's past September 2005. Would it be possible to have this finished at some point ? I got rather excited about it when I saw it in PBP, but if it remains here in this state it's not much better than a lot of other placeholder modules (it's a little better, because it lists alternatives).