ENH: added functionality to plot heatmaps - this is useful for look at two dimensions of data at once
ENH: added functionality to plot heatmaps - this is useful for look at two dimensions of data at once

caporaso-lab/short-read-tax-assignment,BenKaehler/short-read-tax-assignment,nbokulich/short-read-tax-assignment,caporaso-lab/tax-credit,gregcaporaso/short-read-tax-assignment