lestrrat/JSON-RPC — pull request #2 by ka2u (2012-06-15 04:13:48+00:00)
Title: add making additional error response data.

Hi,

I want to making error object includes a message and data of the error member
when some error occured in the dispatch.
Because http://www.jsonrpc.org/specification 5.1 Error object defines
the message should be limited to a concise single sentence.
If long error message like a stacktrace, I want to assign value of the data member.