loongson/pypi: links for kaching

loongson/mirror kaching-0.4.2.tar.gz
loongson/mirror kaching-0.4.1.tar.gz
loongson/mirror kaching-0.4.tar.gz
loongson/mirror kaching-0.3.tar.gz
loongson/mirror kaching-0.2.tar.gz
loongson/mirror kaching-0.1.tar.gz