make an adjustment to catch this.

contents. Test cases 144 and 145 were added to verify the fix.

Now we deal with return code 450 properly and other codes also do proper
cleanup.

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