Code lookup of http / oauth

Lookup of HTTP/OAuth codes.

Also useful for SDK like Facebook SDK, Weibo SDK, Tencent SDK, Twitter, SDK, etc..

http://en.wikipedia.org/wiki/List_of_HTTP_status_codes (wiki)

http://www.w3.org/Protocols/rfc2616/rfc2616-sec10.html (detailed)

http://www.w3.org/Protocols/HTTP/HTRESP.html (shorter)