1. Re-enable DTD validation once
https://github.com/UweSchmidt/hxt/issues/15 is fixed.
-2. Implement weatherxml.
+2. Write a test for test/xml/Odds_XML-long-import.xml once it no
+ longer takes 10 minutes to import (Postgres only?).
+
+3. Write a test for the ON DELETE CASCADE behavior.
+
+4. Add a test for inserting duplicate messages.