loongson/pypi: links for progressivecsv

loongson/mirror progressivecsv-0.0.0.8.tar.gz
loongson/mirror progressivecsv-0.0.0.7.tar.gz
loongson/mirror progressivecsv-0.0.0.6.tar.gz
loongson/mirror progressivecsv-0.0.0.5.tar.gz
loongson/mirror progressivecsv-0.0.0.4.tar.gz
loongson/mirror progressivecsv-0.0.0.2.tar.gz