http://localhost:9763/search.pz2?session=3&command=search&query=computer
2 http://localhost:9763/search.pz2?session=1&command=show
http://localhost:9763/search.pz2?session=2&command=show
-http://localhost:9763/search.pz2?session=3&command=show
+1 http://localhost:9763/search.pz2?session=3&command=show
http://localhost:9763/search.pz2?session=3&command=bytarget