gciotta/jsonrpc-requests — pull request #1 by mbroadst (2014-11-06 16:03:40+00:00)
Title: add Content-Type and Accept headers

According to the jsonrpc 1.2 spec, as well as the HTTP transport
proposal, good citizen implementations of jsonrpc are required to
include these headers. Servers "should" refuse clients not specifying
these headers as well.