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
test1294: "split request" being when the entire request isn't sent in
the first go, and the remainder is sent in the PERFORM state. A GET
request is otherwise not sending anything during PERFORM.
test1295: same kind of split but with POST
Closes#5197