A select group of Twitter users have been granted a new feature thats been a long time coming. Twitter is testing tweet notifications that will automatically call out new tweets since your last refresh, from the people you follow, on your Twitter.com homepage. Think of it as the next best thing to the auto-refresh. Although we havent been gifted with the new feature, we can see it in the wild courtesy of Twitter user @stephromanski, who noticed the change and posted a very clear TwitPic of the t