Make split marker configurable; tests.

Bump x/net dep to shut dependabot up; mod tidy.

bump x/net again, dependabot version was still ancient

Add @supertassu to README, update copyright dates.

Noticed typo as soon as I pushed :-(

Fix connection cleanup when context is canceled

Signed-off-by: Luca Bigliardi <shammash@google.com>

Make call checker a handler.

Update travis, because why not.

NewNick handler that doesn't vary nick length. Fixes #108. Sort of.

Go modules for goirc.