Use superstack to have better stacktraces with async code.

package.json

@@ -23,7 +23,8 @@
     "underscore": ">=1.5.2",
     "validator": ">=1.2.1",
     "ws": ">=0.4.27",
-    "xmlrpc": ">=1.1.0"
+    "xmlrpc": ">=1.1.0",
+    "superstack": "0.0.3"
   },
   "devDependencies": {},
   "optionalDependencies": {},

src/main.js

@@ -1,3 +1,12 @@
+// Enables strict mode for this whole file.
+'use strict';
+
+// node.js does not give complete stacktrace with async code,
+// superstack is here for that!
+require('superstack');
+
+//-------------------------------------
+
 var _ = require('underscore');
 var connect = require('connect');
 var fs = require('fs');