* Fixed bug that caused doctest to fail in raster_funcs.
* Fixed bug that caused doctest to fail in raster_funcs.



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