Kwcoco

Changed
* In `metrics.drawing`, make threshold colors more consistent
* Added `category_names` property to `Annots1d` object.
* Deprecate `CocoImage.add_auxiliary_item` in favor of `CocoImage.add_asset`

Added
* Added `annots` property to CocoImage
* Added `add_annotation` to `CocoImage`
* Added `autofix` option `kwcoco reroot`

Fixed
* Better asset space support
* Querying `annots` by track-id now return them in a sorted order.

Added
* Can now ask for the resolution of an asset in CocoImage.


Changed
* Renamed `CocoImage.delay` to `CocoImage.imdelay`. The old name will be available as an alias, but will eventually be deprecated.
* Import time is now much faster.
* default `check_aux` to True in `CocoDataset.missing_images`

Added
* Experimental support for reading / writing kwcoco files to / from zipfiles.

Changed
* Improved splitting in kwcoco split CLI. Better handling for video datasets. Category balance is now optional.

Fixed
* Bug where specifying resolution to `delay` would not work if the channels did not exist.

Added
* Add `role` property for annotations in the schema.

Fixed
* Added `instance_id` for mmlab tracking
* Fixed np.bool
* Fixed np.float

Added

* Initial support to conform to mmlab coco specs
* Added ability to specify resolution in `CocoImage.delay`
* Add resolution to the image / video schema.


Fixed
* kwcoco validate now reports errors for all inputs


Changed

* Modified signatures of `annots` and `images` to use `annot_id` and `image_id`
instead of `aid` and `gid`.

* Removed mentions of "flicks" in timestamps. We are simply using ISO strings
and unix times for now.

* Updated timestamp details in the SPEC.

* Updated descriptions and organization in the formal schema.

* Require that names do not contain the "/" character in the formal schema.

Added
* Initial support for PostgreSQL
* In CocoDataset.coerce the arg `sqlview` can now be given as a string `sqlite` or `postgresql`.


Fixed
* Lookup on SQL database now handles json columns