Set the unused portion of the image to 0
Implement a mode enum
Update docstring
Change 'trim' to 'crop'
Add test for adapthist modes
Switch to HSV, refactor equalize_adapthist, fix #757, cleanup docstring
Update adapthist tests, add test for alpha channel and rgb mode handling.
Fix failing tests and turn module level testing back ony
Tweak range definition in `rescale_intensity`
Make `intensity_range` a public function
Edit wording of docstrings
Clarify docstrings
Clarify docstrings
Add TODO for deprecation removal
Added mean color RAG construction code
Added edge threshold cut
Renamed graph.py to rag.py
Added testcase
Added docs
Docs formatting