def to_csv(format = :long)
      output = ''
      
      columns = []
      # only output
      case format
      when :long
        columns.concat([@id, @updated, @title])
      end
      
      # output all dimensions
      columns.concat(@dimensions.map {|d| d.value})
      
      # output all metrics
      columns.concat(@metrics.map {|m| m.value})

      output = CSV.generate_line(columns)      
      return output
    end
def to_csv(format = :long)
      output = ''
      
      columns = []
      # only output
      case format
      when :long
        columns.concat([@id, @updated, @title])
      end
      
      # output all dimensions
      columns.concat(@dimensions.map {|d| d.value})
      
      # output all metrics
      columns.concat(@metrics.map {|m| m.value})

      output = CSV.generate_line(columns)      
      return output
    end
Parses the XML <entry> element
 Outputs in Comma Seperated Values format