def add_entry(self, row):
var_call = VCFEntry(self.individuals)<EOL>var_call.parse_entry( row )<EOL>self.entries[(var_call.chrom, var_call.pos)] = var_call<EOL>return var_call<EOL>
This will parse the VCF entry and also store it within the VCFFile. It will also
        return the VCFEntry as well.