Merge pull request #53 from supertong/path-not-change

return false when path is not changed

lib/pointer.js

@@ -214,6 +214,7 @@ function resolveIf$Ref(pointer, options) {
         // This JSON reference "extends" the resolved value, rather than simply pointing to it.
         // So the resolved path does NOT change.  Just the value does.
         pointer.value = $Ref.dereference(pointer.value, resolved.value);
+        return false;
       }
       else {
         // Resolve the reference