Add more events and notifications for tasks

app/Event/ProjectModificationDate.php

@@ -34,6 +34,17 @@ class ProjectModificationDate implements Listener
         $this->project = $project;
     }
 
+    /**
+     * Return class information
+     *
+     * @access public
+     * @return string
+     */
+    public function __toString()
+    {
+        return get_called_class();
+    }
+
     /**
      * Execute the action
      *