I'm only a perl novice, but the code here seems well written and would be easy to follow if I knew the subject matter better. Seems like a few globals and a bun

I'm only a perl novice, but the code here seems well written and would be easy to follow if I knew the subject matter better. Seems like a few globals and a bunch of subroutine calls. I like that it avoids the complicated OO features commonly seen in Perl (either the built-in hacks or the Moose or Moo or whatever libraries).