dc_trackperlvars - Damian Conway's folding-around-searches vim plugin.

Originally downloaded from https://www.bit.do/VAPIDE.

Why?

To make it easier for me to integrate Damian's work with the other work that I've mostly borrowed from other people.

perform a fold around the latest search
use that behavoiur to do things like
- fold around subroutines
- fold around comments
- fold around use statements
- fold all the things!