New features
* `divide_scalar_by_image`
* `draw_touch_portion_mesh_between_touching_labels`
* `draw_touch_portion_ratio_mesh_between_touching_labels`
* `fill_zeros_inpainting` (thanks to AlisterBurt for proposing)
* `generate_touch_count_matrix`
* `generate_touch_portion_matrix`
* `prefix_in_x`
* `proximal_neighbor_count`
* `standard_deviation_touch_portion`
* `standard_deviation_touch_portion_map`
* `statistics_of_labelled_neighbors`
Bug fixes
* corrected result type of `artificial_tissue_2d` to `uint32` as it's supposed to be a label image