Merge pull request #118 from messagebird/bump-v1-17-0

Bump version to 1.17.0.

Author: epels

src/MessageBird/Client.php

@@ -19,7 +19,7 @@ class Client
     const ENABLE_CONVERSATIONSAPI_WHATSAPP_SANDBOX = 'ENABLE_CONVERSATIONSAPI_WHATSAPP_SANDBOX';
     const CONVERSATIONSAPI_WHATSAPP_SANDBOX_ENDPOINT = 'https://whatsapp-sandbox.messagebird.com/v1';
 
-    const CLIENT_VERSION = '1.15.0';
+    const CLIENT_VERSION = '1.17.0';
 
     /**
      * @var string