Allow excluding exceptions by interface

Author: ownede

Provider/RollbarHandler.php

@@ -137,7 +137,7 @@ public function shouldSkip(\Exception $exception)
     {
         // check exception
         foreach ($this->exclude as $instance) {
-            if (class_exists($instance) && $exception instanceof $instance) {
+            if ((class_exists($instance) || interface_exists($instance)) && $exception instanceof $instance) {
                 return true;
             }
         }