loongson/pypi: links for cached-requests

loongson/mirror cached_requests-0.2.2.tar.gz
loongson/mirror cached_requests-0.2.1.tar.gz
loongson/mirror cached_requests-0.2.0.tar.gz
loongson/mirror cached_requests-0.1.5.tar.gz
loongson/mirror cached_requests-0.1.4.tar.gz