We have two sitautions to account for:
1. Old posts had both uppercase and lowercase letters in slugs; and
2. Some ids changed.
Lighttpd can't convert to lowercase and having a bunch of separate redirects
in my webserver configuration for the id changes is messy. So, this script
is intended to be called only when a post contains an uppercase character in
the path.
I had wanted to avoid _any_ sort of dynamic scripts. Oh well.
All other redirects are handled in the websevrer configuration (which isn't
part of this repo atm).
Mike Gerwitz