Bump nodeunit dependency version

0.6.4 has some unresolved issues which disallow running unit tests for this project

Author: Dimitar Kerezov

package.json

@@ -15,7 +15,7 @@
     "node-uuid":"1.3.3"
   },
   "devDependencies": {
-    "nodeunit":"0.6.4"
+    "nodeunit":"0.9.0"
   },
   "scripts": {
     "test": "node_modules/.bin/nodeunit test/parser test"