def rediskey(suffix=nil, ignored=nil)
      Familia.info "[#{self.class}] something was ignored" unless ignored.nil?
      raise Familia::NoIndex, self.class if index.to_s.empty?
      if suffix.nil?
        suffix = self.class.suffix.kind_of?(Proc) ? 
                     self.class.suffix.call(self) : 
                     self.class.suffix
      end
      self.class.rediskey self.index, suffix
    end
def rediskey(suffix=nil, ignored=nil)
      Familia.info "[#{self.class}] something was ignored" unless ignored.nil?
      raise Familia::NoIndex, self.class if index.to_s.empty?
      if suffix.nil?
        suffix = self.class.suffix.kind_of?(Proc) ? 
                     self.class.suffix.call(self) : 
                     self.class.suffix
      end
      self.class.rediskey self.index, suffix
    end
+suffix+ is the value to be used at the end of the redis key
 + ignored+ is literally ignored. It's around to maintain
 consistency with the class version of this method.
 (RedisObject#rediskey may call against a class or instance).