Merge pull request #237 from tinyroy/master

Aligning EnumConstraint error output to use json_encode()

Author: bighappyface

src/JsonSchema/Constraints/EnumConstraint.php

@@ -41,6 +41,6 @@ public function check($element, $schema = null, $path = null, $i = null)
             }
         }
 
-        $this->addError($path, "Does not have a value in the enumeration " . print_r($schema->enum, true), 'enum', array('enum' => $schema->enum,));
+        $this->addError($path, "Does not have a value in the enumeration " . json_encode($schema->enum), 'enum', array('enum' => $schema->enum,));
     }
 }