make 'solvable.attr' accept Symbol or String (Ruby only for now)
make 'solvable.attr' accept Symbol or String (Ruby only for now)


openSUSE/sat-solver-bindings,openSUSE/sat-solver-bindings,openSUSE/sat-solver-bindings,openSUSE/sat-solver-bindings,openSUSE/sat-solver-bindings,openSUSE/sat-solver-bindings