Export data validator

Author: bhch

src/index.js

@@ -1,11 +1,13 @@
 import ReactJSONForm from './form.js';
 import EditorState from './editorState.js';
 import {createForm, getFormInstance} from './renderer.js';
+import DataValidator from './dataValidation.js';
 
 
 export {
   ReactJSONForm,
   EditorState,
   createForm,
   getFormInstance,
+  DataValidator,
 };