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Added
.....
- The configuration file can be specified as the argument on the command line.
- GitHub icons decorate pull requests, issues, and comments to distinguish them
and indicate their status.
Changed
.......
- The configuration file syntax changed. Now there is a top-level ``digests``
clause and an optional ``defaults`` clause.
- The ``bots`` setting is now called ``ignore_users``.
- Pull request review threads are presented hierarchically.