Webservice requests are any that refer to filename "search.pz2". Arguments
are GET-style parameters. Argument 'command' is required and specifies
-command.
+command. Any request not recognized as a webservice request as described,
+are forwarded to the HTTP server specified in option -p.
Commands:
session
start -- 0-indexed!!
num -- default=20
+block -- 0 or 1
+
+If block is set, the command will hang until there are records ready
+to display. Use this to show first records rapidly without requiring rapid
+polling.
Example: