loongson/pypi: links for longitudinaldifferenceindifferencespy

loongson/mirror LongitudinalDifferenceInDifferencesPy-1.0.2.tar.gz
loongson/mirror LongitudinalDifferenceInDifferencesPy-1.0.1.tar.gz
loongson/mirror LongitudinalDifferenceInDifferencesPy-1.0.0.tar.gz
loongson/mirror LongitudinalDifferenceInDifferencesPy-0.9.0.tar.gz