root/pypi: links for yikai-tools

root/pypi yikai-tools-1.0.6.tar.gz
root/pypi yikai-tools-1.0.5.tar.gz
root/pypi yikai-tools-1.0.4.tar.gz
root/pypi yikai-tools-1.0.3.tar.gz
root/pypi yikai-tools-1.0.2.tar.gz
root/pypi yikai-tools-1.0.1.tar.gz