def add_self_to_holders
      @holders.uniq!
      @reset = true if @holders.length == 0
      return true if @holders.include? session.id
      if @holders.length < limit
        @holders << session.id
      end
    end
def add_self_to_holders
      @holders.uniq!
      @reset = true if @holders.length == 0
      return true if @holders.include? session.id
      if @holders.length < limit
        @holders << session.id
      end
    end
Add our session.id to the holders list if holders is less than limit