acceptance.

Fix - Unlock the input thread mutex on a recieve of zero bytes via SSH

Add a couple TODO comments in places that seem to be incorrectly
continue-ing

being written to active SSH session socket (if there was one).
According to Deuce there are still some cases where SSH sessions aren't being
destroyed, so he'll have to fix those. :-)

strstr() checks (which are case-sensitive)

which also gives them a chance to change their alias if desired.
When an RLogin or SSH password is bad (e.g. too obvious, short, etc.) add a
CRLF so there will be a pause for the CLS and password creation screen.
More strcpy->SAFECOPY paranoia.

changes its valid to INVALID_SOCKET (-1)

FTP server to update date downloaded field).

Replaced DIRSEP macros with backslashes for readability.

further, if cryptPopData() doesn't retrieve any data, do not assume the
connection is closed.

More sprintf()->SAFEPRINTF paranoia

If the socket is invalid, do not continue the session thread.

after 1.5 rc 6a.

max_bytes) crash when accessed, so removing for now.