Fixed a typo bug

Author: JamesMessinger

lib/read.js

@@ -32,7 +32,7 @@ function read(path, $refs, options) {
     // Return from cache, if possible
     var $ref = $refs._get$Ref(path);
     if ($ref && !$ref.isExpired()) {
-      util.debug('    cached from %s', $ref.type);
+      util.debug('    cached from %s', $ref.pathType);
       return Promise.resolve({
         $ref: $ref,
         cached: true