(attach): New constant.
(line_leader): New variable. (meta_line_leader): New variable. (l2g_start): Set l2g_id, expect_active and expect_always. (fix_expect_after): New proc. (simple_expect): New argument: meta. Handle line leaders. Removed tests for unexpected lines, which should now be handled via expect_active. (unanchored_expect): Added missing quotes. (lyskomd_start): Handle attach. Set expect_active and expect_always to something sane. (client_start): Use tcpconnect.py and line leaders to make it easier to debug the test cases. Set expect_active and expect_always to something sane. (talk_to): Handle l2g. Handle line leaders. Call fix_expect_after.