loongson/pypi: links for zc-datetimewidget

loongson/mirror zc.datetimewidget-0.8.0.tar.gz
loongson/mirror zc.datetimewidget-0.7.0.tar.gz
loongson/mirror zc.datetimewidget-0.6.4.tar.gz
loongson/mirror zc.datetimewidget-0.6.3.tar.gz
loongson/mirror zc.datetimewidget-0.6.2.tar.gz
loongson/mirror zc.datetimewidget-0.6.1.tar.gz
loongson/mirror zc.datetimewidget-0.5.2.tar.gz