Update to YouTube API v3
Update to YouTube API v3

- Improve error logging for some API requests
- Always use browser_xhr to call the API so the request includes the Referer header
-- This commit doesn't include a built Safari extension as that would require signing up to Apple's Developer Program
YePpHa/YouTubeCenter,YePpHa/YouTubeCenter,YePpHa/YouTubeCenter,YePpHa/YouTubeCenter,YePpHa/YouTubeCenter