1. Set the max songs for the user to 0 to disable them from requesting songs.
2. It minimizes to the tasktray. Just click the icon in the tasktray.
3. Like what exactly?
4. Pretty sure this is already in.
5. Can do this VAC (Virtual Audio Cable) and possibly with the setting in the master settings to select the default audio device. (Just know Deepbot is a twitch bot, not meant for other applications.)
6. Depends on the API.