code: def names(ids, optional={})
      region = optional[:region] || @sightstone.region
      ids = ids.join(',')
      uri = "https://prod.api.pvp.net/api/lol/#{region}/v1.3/summoner/#{ids}/name"
      response = _get_api_response(uri)
      _parse_response(response) { |resp|
        data = JSON.parse(resp)
  
        names_hash = Hash.new
        data.each do |id, name|
          names_hash[id.to_i] = name
        end
        if block_given?
          yield names_hash
        else
          return names_hash
        end
      }
    end
docs: returns the names for the ids
   @param ids [Array<Numeric>] ids
   @param optional [Hash<Symbol, String>] optional arguments: :region => replaces default region
   @return [Hash<Numeric, String>] a hash matching each id to the summoners name