Set the event dispatcher from decorated response

Fixes #1.
Bump version to 0.2.1
Fixed JsonRpcClient createRequest compliance to Guzzle\Http\Client createRequest
Merge pull request #5 from cyberfoxlt/master

JsonRpcClient createRequest compliance to Guzzle\Http\Client createRequest
Prepare requests with the client as intended
Bump version to v0.2.2
Set gzip and deflate encoding headers
Bump version to 0.2.3
Merge remote-tracking branch 'graze/master'

Conflicts:
	README.md
	composer.json