* Removed support for Python 3.7 * Added support for Python 3.11
0.9.1
* Return a `frozenset` for segments
0.9.0
* Add `segments` property to the `PanImg` model containing the unique values in the image as a tuple of `int`s. These are only calculated for `int` or `uint` type `SimpleITKImage`s, for any other output type `segments` are set to `None`.
0.8.3
* Fix installation on Windows * Fix DICOM imports with missing instance number