replacement, curl only replaced the Host: header on the initial request
  and didn't replace it on the following ones. This resulted in requests with
  two Host: headers.

  Now, curl checks if the location is on the same host as the initial request
  and then continues to replace the Host: header. And when it moves to another
  host, it doesn't replace the Host: header but it also doesn't make the
  second Host: header get used in the request.

  This change is verified by the two new test cases 184 and 185.

no fixed port numbers in use anymore. Starting now, the default ports the
servers use are 8990 - 8993. There's no option to modify these yet, but
changing the $base option in the top of the runtests.pl script.

stepped forward to help us. Let's postpone that fix.

Roman Koifman found out.

Removed ares_free_errmem.c from MSCV project files.
Fixed line-endings to CR-LF.

IE

getting multiple URLs over a single proxy connection

file after the bison/yacc process to add the fix Harshal Pradhan suggested.

to be transfered is empty

file

the output file actually is zero bytes after the transfer.

lots of fine info from a transfer

PUTs even when told to use HTTP 1.0, which is not correct.