Fix RefResolver and make it compatible with draft-04 #240

- Removed the stupid left over debug code

Author: joost-nijhuis

tests/JsonSchema/Tests/Constraints/BaseTestCase.php

@@ -40,10 +40,6 @@ public function testInvalidCases($input, $jsonSchema, $checkMode = Validator::CH
         $validator = new Validator($checkMode);
         $validator->check($value, $schema);
 
-        if ($validator->isValid()) {
-            $a = 2;
-        }
-
         if (array() !== $errors) {
             $this->assertEquals($errors, $validator->getErrors(), print_r($validator->getErrors(),true));
         }