Merge branch 'master' into validators-patch

.travis.yml

@@ -1,5 +1,6 @@
 # see http://about.travis-ci.org/docs/user/languages/php/ for more hints
 language: php
+dist: precise
 
 # list any PHP version you want to test against
 php:

src/Valitron/Validator.php

@@ -146,7 +146,7 @@ class Validator
      * @param  array  $params
      * @return bool
      */
-    protected function validateRequired($field, $value, array $params = array())
+    protected function validateRequired($field, $value, $params = array())
     {
         if (isset($params[0]) && (bool)$params[0]) {
             $find = $this->getPart($this->_fields, explode('.', $field), true);