missing CRs and modified %hostip
lib556/test556: use a real HTTP version to make test reuse more convenient
make sure the weekday in Date headers matches the date
test61: replace stray "^M" (5e 4d) at the end of a cookie with a '^M' (0d)
Gets the test working with external proxies like Privoxy again.
Closes#6463
proved how PUT and POST with a redirect could lead to a "hang" due to the
data stream not being rewound properly when it had to in order to get sent
properly (again) to the subsequent URL. This is now fixed and these test
cases are no longer disabled.