Cookie parsing/assembling does not work 100% correctly.

Just so stuff does not get lost. Cookie parsing code should be revised and fixed. Keypoints:

• natural ordering is bad, cookie order should be retained, clients, according to specs SHOULD order by best match first(most likely only for v1?).
• cookie parsing, especially V1( rfc2109.txt ) depend on cookies being separated, which is incorrect:
  The syntax for the header is:
  4.3.4 Sending Cookies to the Origin Server
  cookie = "Cookie:" cookie-version
  1*((";" | ",") cookie-value)
  cookie-value = NAME "=" VALUE [";" path] [";" domain]
  cookie-version = "$Version" "=" value
  NAME = attr
  VALUE = value
  path = "$Path" "=" value
  domain = "$Domain" "=" value
• possibly check rfc2109 vs 6265 cookie parsing?