PSR에 맞게 수정

src/sammo/Validator.php

@@ -1,13 +1,17 @@
 <?php
 namespace sammo;
 
-class Validator extends \Valitron\Validator{
+class Validator extends \Valitron\Validator
+{
     protected static $_lang = 'ko';
 
-    public function errorStr(){
+    public function errorStr()
+    {
         $errors = array_values((array)$this->errors());
-        $errors = array_map(function($value){return join(', ', $value);}, $errors);
+        $errors = array_map(function ($value) {
+            return join(', ', $value);
+        }, $errors);
         $errors = join(', ', $errors);
         return $errors;
     }
-}
+}