---------------------
* Install `graphviz` for the pytests by dachengx in https://github.com/AxFoundation/strax/pull/817
* Increase the timing precision of progress bar by dachengx in https://github.com/AxFoundation/strax/pull/819
* Initialize plugin because `depends_on` can be property by dachengx in https://github.com/AxFoundation/strax/pull/820
* Update context.py by WenzDaniel in https://github.com/AxFoundation/strax/pull/821
* Disable tqdm progress bar when `check_available` is empty by dachengx in https://github.com/AxFoundation/strax/pull/822
* Check the consistency of number of items in metadata and data in `dry_load_files` function by dachengx in https://github.com/AxFoundation/strax/pull/824
* Remove `strax.plugin` by dachengx in https://github.com/AxFoundation/strax/pull/825
* Pick out selection applying function by dachengx in https://github.com/AxFoundation/strax/pull/826
* Add `CutList` by dachengx in https://github.com/AxFoundation/strax/pull/827
* Update tags handling, added comment field. Allows to define superuns … by WenzDaniel in https://github.com/AxFoundation/strax/pull/798
* Prevent start being negative by dachengx in https://github.com/AxFoundation/strax/pull/828
* Tiny change on the trailing space by dachengx in https://github.com/AxFoundation/strax/pull/830
* Add `register_cut_list` by dachengx in https://github.com/AxFoundation/strax/pull/831
* Record all base classes when multiple inheritance by dachengx in https://github.com/AxFoundation/strax/pull/832
* Multiple output `DownChunkingPlugin` by dachengx in https://github.com/AxFoundation/strax/pull/833
* Add `ExhaustPlugin` that exhausts all chunks when fetching data by dachengx in https://github.com/AxFoundation/strax/pull/835
**Full Changelog**: https://github.com/AxFoundation/strax/compare/v1.6.2...v1.6.3