/who on a secret channel that the user is not a member of now returns proper RPL_ENDOFWHO_MSG instead of nothing.

Brandon Beresini sent me a patch yesterday adding tests for JOIN under various circumstances, which I believe he worked on with Bryan Caldwell and Ali Shemiran. I made a few modifications; the result is below.

The config file for ngircds test suite contained obsolete ConfUID/ConfGID settings, causing ngircd to needlesly complain when started as non-root (which is hopefully the _normal_ case...)

RPL_WHOREPLY messages generated by IRC_WHO don't include flags (*,@,+) that should appear according to this description: http://www.mishscript.de/reference/rawhelp3.htm#raw352 Other IRC servers do include the flags. Modify who-test.e to expose missing flags, modify ngircd-test.conf to accommodate who-test.e, and fix irc-info.c to correct these problems.