loongson/pypi: links for elliptic-third

loongson/mirror elliptic_third-0.0.5.tar.gz
loongson/mirror elliptic_third-0.0.4.tar.gz
loongson/mirror elliptic_third-0.0.3.tar.gz
loongson/mirror elliptic_third-0.0.2.tar.gz
loongson/mirror elliptic_third-0.0.1.tar.gz