def add_entry(self, row):
        """This will parse the VCF entry and also store it within the VCFFile. It will also
        return the VCFEntry as well.

        """
        var_call = VCFEntry(self.individuals)
        var_call.parse_entry( row )
        self.entries[(var_call.chrom, var_call.pos)] = var_call
        return var_call