code: def _parse_csv_col_rules(self):
          
          self.cols = self.csv_line.split(',')
          self.table = self.extract_col(0)
          self.column = self.extract_col(1)
          self.data_type = self.extract_col(2)
          self.aikif_map = self.extract_col(3)
          self.aikif_map_name = self.extract_col(4)
          self.extract = self.extract_col(5)
          self.format = self.extract_col(6)
          self.where = self.extract_col(7)
          self.index = self.extract_col(8)
docs: splits the CSV line of the current format and puts into 
          local class variables - mainly for testing, though this is
          not the best method long term. (TODO - fix this)