Also added unDecorate to ValidateCommandBus

fixes laracasts#27

Author: edderrd

src/Laracasts/Commander/ValidationCommandBus.php

@@ -45,6 +45,16 @@ public function decorate($className)
         $this->decorators[] = $className;
     }
 
+    /**
+     * Clear decorations from the command bus
+     *
+     * @return null
+     */
+    public function unDecorate()
+    {
+        $this->decorators = [];
+    }
+
     /**
      * Execute a command with validation.
      *