GitLab

Changed from ctrl to alt because otherwise it's easy to accidentally hit ctrl up and jump when you don't meant to while pruning an image list.

* Add option --rm-other-labels to imglab

* Add support for comma separated list of labels

it simply partitions the data and is an invertible operation.

if the input xml file contained unannotated images.

image.

in the file names to make it so there won't ever be any name conflicts
in the cropped images.

now the output images are always the same dimensions but the objects scale changes.