loongson/pypi: links for keychain

loongson/mirror keychain-0.14.2.0.tar.gz
loongson/mirror keychain-0.1.4.1.tar.gz
loongson/mirror keychain-0.1.4.tar.gz
loongson/mirror keychain-0.1.4-py2.7.egg
loongson/mirror keychain-0.1.3.tar.gz
loongson/mirror keychain-0.1.2.tar.gz
loongson/mirror keychain-0.1.1.tar.gz
loongson/mirror keychain-0.1.0.tar.gz