loongson/pypi: links for ssh2ec2

loongson/mirror ssh2ec2-0.7.tar.gz
loongson/mirror ssh2ec2-0.6.tar.gz
loongson/mirror ssh2ec2-0.5.tar.gz
loongson/mirror ssh2ec2-0.4.tar.gz
loongson/mirror ssh2ec2-0.3.tar.gz