clEsperanto/pyclesperanto_prototype: 0.19.1

New features The first four label colours correspond now to matplotlibs default colours when visualizing label images merge_labels_according_to_touch_matrix Bugfix: Visualization of label images did not result in similar views, depending on maximum number of labels Warngings in statistics_of_labelleld_neighbors are now suppressed when division by zero happens. The result in NaN anyway