export graph-types under 'types' key

Author: Can Ibanoglu

src/v1/index.js

@@ -20,11 +20,19 @@
 import {int, isInt} from './integer';
 import Driver from './driver';
 import {VERSION} from '../version';
+import {Node, Relationship, UnboundRelationship, PathSegment, Path} from './graph-types'
 
 let USER_AGENT = "neo4j-javascript/" + VERSION;
 
 export default {
   driver: (url) => new Driver(url, USER_AGENT),
-  int: int,
-  isInt: isInt
+  int   : int,
+  isInt : isInt,
+  types : {
+    Node               : Node,
+    Relationship       : Relationship,
+    UnboundRelationship: UnboundRelationship,
+    PathSegment        : PathSegment,
+    Path               : Path
+  }
 }