def find(dict)
      Ohm::Set.new(
        model, namespace, [:SINTER, key, *model.filters(dict)]
      )
    end
def find(dict)
      Ohm::Set.new(
        model, namespace, [:SINTER, key, *model.filters(dict)]
      )
    end
Chain new fiters on an existing set.

 Example:

   set = User.find(:name => "John")
   set.find(:age => 30)