operation as a size_t

it was quite a long time since he experienced that one.

use %zd when outputting size_t

make strtol() returns get stored in long variables
don't mix size_t with int

a curl_off_t type that is larger than 4 bytes

file: transfers too

better tests with the issue12-patch applied.
This change also includes Andrés García's win32-fixes.
Made the logging look better/more readable in sws.log

one of them!

links in the web pages, but also additional facts and removal of old crap.

added issue 24 - fix the progress meter for large files on slow networks to
not wrap