check proxy connections for "deadness" before they were re-used

extra second after having downloaded headers-only

## operator)

Gerhard Herre reported this in bug report #536238

on Windows!

to make sure it remains functional.

array
Also, uploading data with --crlf cannot check that the proper size was
uploaded and thus should not warn if the sizes differ. This can be changed
in the future by having the expected size in the connectdata struct and then
increase the expected size for each byte that is added in the --crlf
replacement process.

stack ;-)

being used widely

general statement about language bindings