-F improvements
FTP response timeouts
HTTP user+password to same host only
libtool

list of contributors.

Location: following takes "us" to other servers that should not get the
user and password

on those occations

function to get called in the curl_close() function for cleanup
auth_host is added to store the original (first) host name used

allow the connect function to better deal with timeouts, as was just added
to ftp

thus enables timeout if the server doesn't respond within the proper time.

CURLOPT_PROXY option.

to get specified with the options.

Added a missing free() in curl_disconnect()
Made (https) connect errors abort better and earlier

transfer

new referer magic tricks!

lib/progess.c file, and is now used with the new progress callback function