render now takes a callback

sass.js

 var binding = require('./build/Release/binding')
 
-exports.render = binding.render;
+var render = function(str, cb){
\ No newline at end of file
+  cb(binding.render(str))
+}
+
+exports.render = render
+exports.middleware = require('./lib/middleware');
\ No newline at end of file

test.js

 var sass = require('./sass');
-console.log(sass.render('#navbar {\
+
+var scssStr = '#navbar {\
   width: 80%;\
   height: 23px; }\
   #navbar ul {\
@@ -7,4 +8,9 @@ console.log(sass.render('#navbar {\
   #navbar li {\
     float: left;\
     a {\
-      font-weight: bold; }}'))
+      font-weight: bold; }}';
\ No newline at end of file
+
+sass.render(scssStr, function(css){
+  console.log(css)
+})
+