jrc2139

feat(lib/extract_jwt): correctly parse comma terminated token

2

My stack is NestJs, Auth0, Passport, and GraphQL. I noticed that the parsed jwt token from the Authorization Header being passed from [lib/verify_jwt.js#L4](https://github.com/mikenicholson/passport-jwt/blob/master/lib/verify_jwt.js#L4) was including a trailing comma like: ```...