def styles(styles)
      styles.each do |k,v|
        style = SimplerTiles::Style.new k, v
        add_style style
      end
    end
def styles(styles)
      styles.each do |k,v|
        style = SimplerTiles::Style.new k, v
        add_style style
      end
    end
Initialize a query with a string containing OGR SQL.
 Styles will take a hash of style declarations and adds them to the internal
 c list.