print number of species/reactions kept and fraction of total
print number of species/reactions kept and fraction of total

jmuhlich/rasmodel,sorgerlab/ras_model,jmuhlich/ras_model,sorgerlab/ras_model,jmuhlich/rasmodel,jmuhlich/ras_model,johnbachman/rasmodel,johnbachman/ras_model,johnbachman/ras_model,sorgerlab/rasmodel,sorgerlab/rasmodel,johnbachman/rasmodel,subkar/rasmodel