doctests in lake_mapper now pass
doctests in lake_mapper now pass

laijingtao/landlab,amandersillinois/landlab,Carralex/landlab,RondaStrauch/landlab,Carralex/landlab,RondaStrauch/landlab,csherwood-usgs/landlab,cmshobe/landlab,ManuSchmi88/landlab,amandersillinois/landlab,cmshobe/landlab,landlab/landlab,Carralex/landlab,ManuSchmi88/landlab,RondaStrauch/landlab,cmshobe/landlab,landlab/landlab,ManuSchmi88/landlab,csherwood-usgs/landlab,laijingtao/landlab,landlab/landlab