# File lib/stella/testplan.rb, line 152
      def plan(klass,v=nil)
        # Store the class as a string. Ruby calls Object#hash before setting
        # the hash key which conflicts with Familia::Object.hash.
        plans[klass.to_s] = v unless v.nil?
        plans[klass.to_s]
      rescue NameError => ex
        nil
      end