also check server_tags for msg networks
Merge pull request #130 from haliphax/msgnet-fixes

also check server_tags for msg networks
Merge pull request #128 from ericolito/master

	deleted:    default/art/ol.ans
ensure Connect for non-responsive TTYPE

in case of putty, in particular
Avoid telnet loop: don't reply WONT to DONT

Closes Issue #131:

many implementations (wrongly!) sent a WONT in reply to DONT. It
sounds reasonable, but it can and will cause telnet loops. (ruby?)
Correctly, a DONT can not be declined, so there is no need to
affirm in the negative.
Bugfix: socket_recv should return number of bytes