Before we connect, the socket will be null. When we then connect
the right output stream will be passed in.

If the user doesn't specify a port, the parser should decide what
to do itself. A single default port isn't useful to users of the
parser.

I incorrectly specified the timezone as UTC, when it needs to be
given the local timezone (so it can convert the always-in-UTC
epoch time into the correct local time).

Stop swimming against the tide and accept what most of the rest of
the world does.

While it adds an annoying depth to the actual source code, it makes
the root directory nicer (no more 'test-res' dirs), means we don't
have to override the gradle config, and makes it nicer to work in
IDEA 2016.1.