loongson/pypi: links for contextsearching

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