SOCKS5 fix as suggested by Jis in bugreport #741841.

 set to "".  This frees the application from having to know which encodings
 the library supports.

Ralph Mitchell's notification.

slash after the host name, but still a ? and following "parameters".

also subsequently free the ssl struct if the connection struct is to be
deleted

comparisons before re-using SSL connections and re-using SSL connection IDs.

disables the host name check in the FOLLOWLOCATION code. With that option
set, libcurl will send user+password to all hosts.

ConnectionExists() when first doing a proxy connecto to a HTTPS site and then
switching over to a HTTP connection to the same host.

This fix corrects the problem.

change options on an SSL-enabled connection between requests.

We need to make sure that when we init a 'connectdata' struct and then
afterwards check for and re-use another one, we must be careful so that the
newly set values are transmitted and used in the surviving connectdata struct.

Fix by Richard Gorton.

than 5 could cause a segfault.

way for emacs, and vim users should provide a similar non-polluting style

only allocating the scratch memory buffer once it is needed and not always
in the handle.

was due to a missing fix for the password prompting

"username" will cause libcurl to prompt for password. Bryan Kemp noticed.

test case 136 is added for this

or not

connectdata struct instead, and is no longer modified within the 'set' struct
as previously (which was a really BAAAD thing).

for storage and retrieval of private data in the curl handle.

ConnectBits where the other bools already are

AGGRESIVE_TEST is also defined, as an addition to MALLOCDEBUG. It doesn't
work for multi interface usage and should only be used with careful
consideration.

size of the uploaded file is unknown.

CURLOPT_CONNECTTIMEOUT was used and provided a fix.

counter so that the caller needs to decrease that counter when done with
the returned data.

If compiled with MALLOCDEBUG I've added some extra checking that the counter
is decreased before a handle is closed etc.