$config = array(
	'adapteroptions' =>
		array ('host' =>  '127.0.0.1', 'username' => 'user', 'password' =>
			'pass', 'port' => '8983'
		)
	);
$client = new \Solarium_Client(  $config );
// $client->setAdapter('Solarium_Client_Adapter_Curl');

- corrected the input format for the datetime objects (prefix timestamps with @)
- fixed timezone issue by forcing UTC
- refactored formatDate into a single function and without duplicate date objects

fix issue #58 add formatDate to query helper

- added both the original resource and the urldecoded version to the __toString() output
- added a testcase for __toString()