Continuing work on NCIP.pm

We can now recognised (in theory) the type of request we are getting.

Have a basic test of a LookupItem message

Signed-off-by: Chris Cormack <chrisc@catalyst.net.nz>
(cherry picked from commit 8020a2a57f42ad5937e8364c196d8700f7ee340b)
A new dependency