POST /multipart-form-data HTTP/1.1
Host: localhost:1234
Connection: close
Content-Length: 191
Content-Type: multipart/form-data; boundary="ABCDE"
User-Agent: HTTP-Tiny

--ABCDE
Content-Disposition: form-data; name="bar"

123
--ABCDE
Content-Disposition: form-data; name="foo"

bar
--ABCDE
Content-Disposition: form-data; name="foo"

baz
--ABCDE--
