Introduced common exception superclass

CloudObjects/SDK/Exceptions/InvalidSDKConfigurationException.php

@@ -9,6 +9,6 @@ namespace CloudObjects\SDK\Exceptions;
 /**
  * An Exception that is thrown when the SDK's configuration isn't valid.
  */
-class InvalidSDKConfigurationException extends \Exception {
+class InvalidSDKConfigurationException extends SDKException {
 
 }