SOCKS5 fix as suggested by Jis in bugreport #741841.

we unescape a string. We now check and decode only valid %XX strings.

variables

in memory, only add it when we save the cookie. This makes all tailmatching
and domain string matching internally a lot easier.

This was also the reason for a remaining bug I introduced in my overhaul.

for first, as it seems to be what many systems use

2. I also added the pre-releases and dates to the log

for FTP command responses take >1 second.

the define accordingly in the hostip.h header to work nicely all over.

it is.

name isn't an ip address

allow "" to enable all support formats.

 set to "".  This frees the application from having to know which encodings
 the library supports.