scrutinizer fix

.scrutinizer.yml

@@ -0,0 +1,10 @@
+imports:
+    - php
+
+tools:
+    external_code_coverage:
+        timeout: 2100 # Timeout in seconds.
+    # disable copy paste detector and similarity analyzer as they have no real value
+    # and a huge bunch of false-positives
+    php_sim: false
+    php_cpd: false

src/CallbackEvent.php

@@ -55,7 +55,7 @@ public function __construct($callback, array $parameters = [], $config = [])
     public function run(Application $app)
     {
         $response = call_user_func_array($this->callback, array_merge($this->parameters, [$app]));
-        parent::callAfterCallbacks($app);
+        $this->callAfterCallbacks($app);
 
         return $response;
     }

src/Event.php

@@ -235,7 +235,7 @@ public function emailOutput($address)
         $address = is_array($address) ? $address : func_get_args();
 
         return $this->then(function (Application $app) use ($address) {
-            $thsi->sendEmail($app->mailer, $address);
+            $this->sendEmail($app->mailer, $address);
         });
     }