Add/subtract contact frequencies#3

Merged

dwhswenson merged 5 commits intomasterfrom

Nov 5, 2017

Commits on Sep 27, 2017

First draft for add/subtract contact freqs
dwhswenson
committed

Commits on Oct 26, 2017

Merge branch 'master' of github.com:dwhswenson/contact_map into combining_maps
dwhswenson
committed

Commits on Nov 5, 2017