loongson/pypi: links for monthdelta

loongson/mirror MonthDelta-1.0b.zip
loongson/mirror MonthDelta-1.0b.tar.gz
loongson/mirror MonthDelta-1.0b.tar.bz2
loongson/mirror MonthDelta-1.0a.zip
loongson/mirror MonthDelta-1.0a.tar.gz
loongson/mirror MonthDelta-1.0a.tar.bz2
loongson/mirror MonthDelta-0.9.1.zip
loongson/mirror MonthDelta-0.9.1.tar.gz
loongson/mirror MonthDelta-0.9.zip
loongson/mirror MonthDelta-0.9.tar.gz