public MainPageViewModel()
        {
            var tweet = new Tweet();

            SendTweetCommand      = new DelegateCommand(() => tweet.TestTweet(TweetContents));
            SendHelloTweetCommand = new DelegateCommand(() => tweet.SayHelloTwitter());
            RetweetCommand        = new DelegateCommand(() => tweet.Retweet(839485449638903808));
            UnRetweetCommand      = new DelegateCommand(() => tweet.UnRetweet(839485449638903808));
            FavoriteCommand       = new DelegateCommand(() => tweet.Favorite(839485449638903808));
            UnFavoriteCommand     = new DelegateCommand(() => tweet.UnFavorite(839485449638903808));
        }