documentation changes and return CURRENT stellar mass
documentation changes and return CURRENT stellar mass


git-svn-id: ff161d7bf9932b9502760ab749a51029bb9517c1@510 75dff457-8751-0410-ab1a-cd701654ce6b

blanton144/kcorrect,blanton144/kcorrect,blanton144/kcorrect,blanton144/kcorrect,blanton144/kcorrect