root/pypi: links for wkb-raster

root/pypi WKB-Raster-0.6.tar.gz
root/pypi WKB-Raster-0.5.tar.gz
root/pypi WKB-Raster-0.4.tar.gz
root/pypi WKB-Raster-0.3.tar.gz
root/pypi WKB-Raster-0.2.tar.gz
root/pypi WKB-Raster-0.1.tar.gz