put eachseries in process.nextTick

modules/users/users.js

@@ -196,6 +196,7 @@ var users = function(dbot) {
         dbot.instance.addListener('366', 'users', function(event) {
             var checkChannel = function(channel) {
                 async.eachSeries(_.keys(event.channel.nicks), function(nick, next) {
+                    process.nextTick(function() {
                         var staff = event.channel.nicks[nick];
                         
                         this.api.resolveUser(event.server, nick, function(user) {
@@ -213,6 +214,7 @@ var users = function(dbot) {
                                 this.internalAPI.createUser(event.server, nick, checkChannelUser);
                             }
                         }.bind(this));
+                    });
                 }.bind(this), function(err) {
                     console.log('finished checking ' + channel);
                 });