is not dealt with when we find an end-of-response line, as there might be
important stuff even after the correct line. So on subsequent invokes, the
cached data must be used!

attempting to use EPSV before the standard PASV.

for each *_perform(). It makes things a lot easier, as the first one that
detects the error get to write the final error reason...

to hold 512 bytes (for user+password+hostname)

HTTP server we return error

libcurl should use in its request

valid time. we now store the filetime as a long to know for sure it can
hold -1 (there exist some unsigned time_t cases)

seriously decreases the amount of used stack space

the SessionHandle. It was previously wrongly put in UserDefined

be posted in a minute to the libcurl list.

cache

it.

already been transfered no longer returns error but instead is OK. The
reasoning behind this is of course that no extra actions need to be taken
and it is as if a transfer had been successfully performed.

main handle struct to work with persistant connections

from urldata to connectdata, quite correctly.

be used for the close policy decision