Because tests will be run after model_server is installed as a package, they revert to importing model_server.base.*

Added option to automatically rotate patches in a nonuniform list such that height is always greater than or equal to width; this is a big data reduction for collections of elongated patches

PatchStack remembers crop boundaries of individual patches if created from list of non-matching patches

This reverts merge request !16

Made a workaround for passing all channels to pixel classifier; stable export script using this from multiposition CZIs