class ChefUtils::VersionString

def <=>(other)
  other_ver = case other
              when VersionString
                other.parsed_version
              else
                begin
                  Gem::Version.create(other.to_s)
                rescue ArgumentError
                  # Comparing to a string that isn't a version.
                  return super
                end
              end
  parsed_version <=> other_ver
end