http://localhost:9763/search.pz2?session=2&command=search&query=su%3D%22computer%22
http://localhost:9763/search.pz2?session=1&command=termlist&name=xtargets%2Cauthor%2Csubject%2Cdate
http://localhost:9763/search.pz2?session=2&command=show&block=preferred
+http://localhost:9763/search.pz2?session=2&command=search&query=su%3D%22xyzy%22
+http://localhost:9763/search.pz2?session=2&command=show&block=preferred
+http://localhost:9763/search.pz2?session=1&command=termlist&name=xtargets%2Cauthor%2Csubject%2Cdate