Merge pull request #30 from krakenjs/upgrade.async

update async version and modify isModule check to account for depreca…

index.js

@@ -26,7 +26,9 @@ function isModule(file) {
     // require.resolve will locate a file without a known extension (e.g. txt)
     // and try to load it as javascript. That won't work for this case.
     var ext = path.extname(file);
-    return ext === '' || require.extensions.hasOwnProperty(ext);
+    // in order for this to work after deprecation of module.extensions
+    var extensions = {'.js': true, '.json': true, '.node': true}
+    return ext === '' || extensions.hasOwnProperty(ext);
 }
 
 

package.json

@@ -33,7 +33,7 @@
     "jshint": "~2.4.4"
   },
   "dependencies": {
-    "core-util-is": "~1.0.1",
-    "async": "~0.2.10"
+    "async": "^3.2.4",
+    "core-util-is": "~1.0.1"
   }
 }