fix one day.

-w option support 'http_connect' to make it easier to verify!

to curl_multi_remove_handle() either.

(http://qa.mandrakesoft.com/show_bug.cgi?id=12285), when connecting to an
IPv6 host with FTP, --disable-epsv (or --disable-eprt) effectively disables
the ability to transfer a file. Now, when connected to an FTP server with
IPv6, these FTP commands can't be disabled even if asked to with the
available libcurl options.

Clarify the static vs. import lib issue on Win32.