add progress
add progress

Unfortunately, in the desired use-case, we seem to lose information about the
width of the terminal, so this doesn't do what you might like when redirecting
output to a file.

ekg/vg,abeconnelly/vg,ekg/vg,dnanexus-rnd/vg,dnanexus-rnd/vg,abeconnelly/vg,ekg/vg