Added support for dendrogram neighbours= parameter. It's beautiful!
Improved the resample_and_save function.
Now we don't throw errors on all-NaN slices

Also, we deselect when you click somewhere with no structures.
Removed completely duplicate callback addition
Now IntegratedViewer initializes with all selected structures
Making the in-progress print statements much more informative
Added support for 'vertical' panel alignment and user-supplied cmap.
Wrote alyssa_perseus_analysis and added a couple imports.
Fixed the periodic_neighbors to be only the axis I want. (axes=2)
Added some clip_velocity logic which I hope is the right thing.
Added a bunch more variants on the COGAL demo. Including resampled ones!
Wrote a functioning near_galaxy distance assigner!

It doesn't yet actually *assign* the distances, but...