Control the various optimizations with config..
-Control the various logging facilities APDU, etc. in XML configuration.
+Live status (via search, present).
-Handle invalidate sessions (-1 hit, control-number search).
+Possible threading.
-Live status (via search, present).
+Throw proper diagnostic for bad schema (Z39.50/SRW).
-SRW/SRU.
+Deal with Z39.50 options properly.
-Possible threading.
+Deal with Z39.50 messages sizes properly.
+
+For SRW/SRU, set schema for each returned record.
+
+Fork to ensure that crashes are catched.