Changes compared to previous Release

Changes compared to previous release version (v0.28-b1):

• Removed "Continue thread" from replies, changed how threads are detected. Note: Sending replies is now done with a new API so it requires a new access scope, so you need to re-auth.
• Added initial Text to Speech support (Windows only for now) for reading chat messages or triggered by Notifications
• Added various $(streamname) Custom Command identifiers for live channels that contain capitalization
• Updated help

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