Add Configuration option to RPC Clients to allow the response to be added to replies without being unserialized.
Define expect_serialized_response parameter as array when calling addMethodCall
update tests to account for new RpcClient setting
update change log
Document expect_serialized_response
Merge remote-tracking branch 'upstream/master'

Conflicts:
	README.md
	RabbitMq/RpcClient.php
Merge pull request #177 from steveYeah/master

Add expect_serialized_response option to RCP Client set up