Protect the request variable.

Author: seanmcn

src/Kobas/Client.php

@@ -34,6 +34,11 @@ class Client
      */
     protected $signer;
 
+    /**
+     * @var Curl|HttpRequest|null
+     */
+    protected $request;
+
     /**
      * Client constructor.
      * @param Signer $signer