Merge pull request #7 from ilyashtrikul/5.6

Fix monolog compatibility

Author: dmitry-ivanov

src/Loggable/FileChannel/MonologFormatter.php

@@ -31,7 +31,7 @@ protected function convertToString($data)
         return parent::convertToString($data);
     }
 
-    protected function normalize($data)
+    protected function normalize($data, $depth = 0)
     {
         if (is_array($data) || ($data instanceof Traversable)) {
             $normalized = [];
@@ -41,6 +41,6 @@ protected function normalize($data)
             return $normalized;
         }
 
-        return parent::normalize($data);
+        return parent::normalize($data, $depth);
     }
 }