url
  http://example.com/new
content
  key|value|multi|worb|multi|gluff|another|blof|another|plog
datatype
  HASH
----------
POST /new HTTP/1.1
Host: example.com
Connection: close
User-Agent: HTTP-Tiny/VERSION
Content-Type: application/x-www-form-urlencoded
Content-Length: 58

another=blof&another=plog&key=value&multi=worb&multi=gluff
----------
HTTP/1.1 201 Created
Date: Thu, 03 Feb 1994 00:00:00 GMT
Location: http://example.com/new/01.txt
Content-Length: 0

