code: def format_dict(self, delim=':', qu="'"):
          
          res = 'name' + delim + qu + self.name + qu + ','
          for num, d in enumerate(self.data):
              res += 'col' + str(num) + delim + qu + str(d) + qu + ','
          return res
docs: Prepares the data as a dictionary with column headers
          TODO - get variable names of data[] as strings for hdr