root/pypi: links for pysigfd

root/pypi pysigfd-1.3.7.tar.gz
root/pypi pysigfd-1.3.7-py3-none-any.whl
root/pypi pysigfd-1.3.5.tar.gz
root/pypi pysigfd-1.3.5-py3-none-any.whl
root/pypi pysigfd-1.3.4.tar.gz
root/pypi pysigfd-1.3.4-py3-none-any.whl
root/pypi pysigfd-1.3.3.tar.gz