Added PATCH, HEADm CONNECT, TRACE AND OPTIONS method support to the HTTP module

According to the HTTP spec (http://www.w3.org/Protocols/rfc2616/rfc2616-sec9.html) those methods exist too. So I've added them.
Merge pull request #1 from Marlinc/patch-1

Added PATCH, HEAD CONNECT, TRACE AND OPTIONS method support to the HTTP...