Add a TODO file
Work around a lack of 127.0.0.2 in tests

This probably only affects BSD systems.
Release version 0.0.3_3 (2014-09-14)
Unset release date
Start development on version 0.0.3_4
Randomise ports in tests...

... because I just got an isolated failure from a cpan tester that
couldn't bind to a port. Either my recent CAVEATS section was a really
timely addition to the documentation, or possibly some of the CPAN
testers are running tests over different versions of Perl in parallel.
Reasonable documentation update.

This now includes the BSD issue and is to my mind looking pretty good.