feat(Cursor): Make methods cursorToData and dataToCursor public

Author: nodkz

src/index.js

@@ -1,9 +1,12 @@
 /* @flow */
 
 import { composeWithConnection } from './composeWithConnection';
+import { cursorToData, dataToCursor } from './cursor';
 
 export default composeWithConnection;
 
 export {
-  composeWithConnection
+  composeWithConnection,
+  cursorToData,
+  dataToCursor,
 };