Fixes for es6 compilation

wampy/wampy-tests.ts

@@ -1,7 +1,7 @@
 /// <reference path="wampy.d.ts" />
 /// <reference path="../node/node.d.ts" />
 
-import Wampy = require('wampy');
+import Wampy from 'wampy';
 
 var ws = new Wampy('http://wamp.router.url', {realm: 'WAMPRealm'});
 

wampy/wampy.d.ts

@@ -89,5 +89,5 @@ declare module "wampy" {
 
     var wampy: WampyInstance;
 
-    export = wampy;
+    export default wampy;
 }