dask / dask-image / 8017626282

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Implemented new parameter `label(..., wrap_axes=` to wrap connected components over array boundaries (#344)

* First simple implementation of wrap. Currently only works on 2d data and has no axis selection.

* Simplify and make it possible to select which axis to wrap over.

* Allow n-dimensional wrapping.

* Moving wrap_axes logic to `_chunk_faces` and adding corner slice(s).

* Better comment

* More fixes and tests.
- Renaming `set_tup_value` to `get_slice_tuple`
- Correcting `get_slice_tuple`.
- Fixing corners higher dimension arrays.
- Added test cases for 3d.

* Made face slice finding logic for wrap mode aware of structuring element.

* Joined subsequent for loops to avoid keeping faces in memory.

* Turned _chunk_faces into a generator to avoid keeping lists of chunk faces in memory

* Clarified docstring

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Co-authored-by: Marvin Albert <marvin.albert@gmail.com>

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