add missed use Guzzle\Http\Message\RequestInterface
fix Notice: Undefined offset: 1 in /path/to/bluedogtraining/guzzle-clickatell/src/Bdt/Clickatell/Response/SendMsg.php on line 64

Clickatell SendMsg response doesn't contains space at the end of the line when sms sended to one phone number
Merge pull request #2 from zakharovvi/master

bugfixes