    # File lib/chef/knife/node_run_list_add.rb, line 50
          def add_to_run_list(node, new_value, after=nil)
            if after
              nlist = []
              node.run_list.each do |entry|
                nlist << entry
                if entry == after
                  nlist << new_value
                end
              end
              node.run_list.reset!(nlist)
            else
              node.run_list << new_value
            end
          end