Only fetch twitch credentials once across client, pubsub and api Initial support for twitch helix api. Added TwitchAPI.GetUser Add internal TwitchAPI.ServiceToken which throws for invalid token for convenience Add internal TwitchAPI.Http which sets up http client with client-id and auth headers Add TwitchAPI.GetUserFollowing and TwitchAPI.GetUserFollowers Add the rest of the UserFollow data Add TwitchAPI.GetStream