Updating superagent and using new syntax

lib/moviedb.js

@@ -36,12 +36,13 @@ MovieDB.prototype.requestToken = function(fn){
   .get(endpoints.base_url  + endpoints.authentication.requestToken)
   .query({'api_key': self.api_key})
   .set('Accept', 'application/json')
-  .end(function(res){
-    if(!res.ok) return fn(res.error);
-    self.token = res.body;
-    fn();
-  }).on('error', function(error){
-    fn(error);
+  .end(function(err, res){
+    if(err) {
+      fn(err);
+    } else {
+       self.token = res.body;
+       fn();
+    }
   });
 
   return this;
@@ -90,10 +91,11 @@ var execMethod = function(type, params, endpoint, fn){
   else
     req.send(params);
 
-  req.end(function(res){
-    if(res.ok) fn(null, res.body);
-    else fn(res.error, null);
+  req.end(function(err, res){
+    if(err){
+      fn(err);
+    } else {
+      fn(null, res.body);
+    }
   });
-
-  req.on('error', fn);
 };

package.json

@@ -27,6 +27,6 @@
   "main": "index.js",
   "author": "Dan Zajdband <dan.zajdband@gmail.com>",
   "dependencies": {
-    "superagent": "0.21.0"
+    "superagent": "^1.6.1"
   }
 }