. try to look for the current machine's fqdn if hostname() doens't
include a '.'
. fixed the shell under Solaris (oops, broke it in 3.1!)
. misc autoconf fixes
. resizing didn't work with Linux and ncurses, fixed it
. YTalk now checks that connections are answered form the expected host;
if they aren't, it complains and shows the new hostname
. n-way talk sessions should now be free of duplicated users
. fixed the "readdress" option somewhat
. portability fixes for 64-bit machines (size_t instead of int)
