Merge pull request #634 from henriquemoody/resource_type

Better normalization for resources

src/Monolog/Formatter/NormalizerFormatter.php

@@ -106,7 +106,7 @@ class NormalizerFormatter implements FormatterInterface
         }
 
         if (is_resource($data)) {
-            return '[resource]';
+            return sprintf('[resource] (%s)', get_resource_type($data));
         }
 
         return '[unknown('.gettype($data).')]';