casts blob images to logical. the behavior of jbi2img for 1-bit images is retained for now.
casts blob images to logical. the behavior of jbi2img for 1-bit images is retained for now.

hsosik/ifcb-analysis,hsosik/ifcb-analysis,hsosik/ifcb-analysis,hsosik/ifcb-analysis,hsosik/ifcb-analysis