RTLD_GLOBAL and RTLD_LAZY separately.

9999 KB and 100 MB since it then can display the size as XX.X MB instead of
just XX as before.

adjusted progress bar
user agent sent when talking non-http through a http proxy

properly when the new URL is an absolute one to a different port than the
first URL...

the proxy server data internally as it did, since when doing a location:
following it needs the proxy server string several times.

the download (MT-adjustment)

HAVE_UNISTD_H is now not set if VC6 is defined