loongson/pypi: links for tornado-crontab

loongson/mirror tornado-crontab-0.4.0.tar.gz
loongson/mirror tornado-crontab-0.3.3.tar.gz
loongson/mirror tornado-crontab-0.3.2.tar.gz
loongson/mirror tornado-crontab-0.3.1.tar.gz
loongson/mirror tornado-crontab-0.3.tar.gz
loongson/mirror tornado-crontab-0.2.tar.gz