Fixed _write() arguments.

initiate the specific language operations, to make the IDN stuff work better.

better support for HUGE files with the -# progress bar

picky compilers

up, as that can send traces too

mailing list.

if one transfer fails.

the curl_easy_strerror() function to provide one

defined (which it never is atm).

Now, we can focus on making 'runtests -t [num]' work on all test cases and
we should never leak nor crash.

accordingly

from 64 bit types to 32 bit ones

curlx_-functions with the new prefix to prepare this code for the future
removal of several curl_-functions from the public libcurl API.

in alphabetical order

concept, and added lib/README.curlx to explain details about it

such platforms that support large files.