Made it better! Much better caching

lib/user.js

@@ -1,4 +1,13 @@
 exports.User = function(username, id, discriminator, avatar){
+
+    if(!id){ //there's no second argument
+        var user = username;
+        username = user.username;
+        id = user.id;
+        discriminator = user.discriminator;
+        avatar = user.avatar;
+    }
+
     this.username = username;
     this.discriminator = discriminator;
     this.id = id;