Parse the table data string into records.

def parse(self):
        """Parse the table data string into records."""

        self.parse_fields()
        records = []
        for line in self.t['data'].split('\n'):
            if EMPTY_ROW.match(line):
                continue
            row = [self.autoconvert(line[start_field:end_field+1])
                   for start_field, end_field in self.fields]
            records.append(tuple(row))
        self.records = records