Util::H2O ~ Iterative Refinement of Existing Perl Code

Util::H2O is an incredibly powerful tool for managing HASH references in a more natural way.
This post is the first of several that will explore this awesome module. I've started using it quite a bit in both new code and in existing code. There are several imporant cases where it really shines. Here we explore the power it has to iteratively refine existing code. It's also fun and easy to introduce into existing code.