http://localhost:9763/search.pz2?session=1&command=show&block=1&sort=author:1
http://localhost:9763/search.pz2?session=1&command=search&query=au%3D%3F&sort=author:0
http://localhost:9763/search.pz2?session=1&command=show&block=1&sort=author:0
+http://localhost:9763/search.pz2?session=1&command=search&query=au%3D%3F&sort=author:0
+http://localhost:9763/search.pz2?session=1&command=show&block=1