A __set__item was needed
A __set__item was needed

this is so that RockBlock Values can be updated. Relevant for things like developing indurated soil over time [skip ci]
landlab/landlab,cmshobe/landlab,landlab/landlab,cmshobe/landlab,cmshobe/landlab,amandersillinois/landlab,landlab/landlab,amandersillinois/landlab