2. Write a test for test/xml/Odds_XML-long-import.xml once it no
longer takes 10 minutes to import (Postgres only?).
-3. Add support the the second type of weatherxml (see man page).
+3. Return ImportUnsupported for the second type of weatherxml (see man
+ page).
4. We have DTDs but no sample XML for the following SportInfo types,
which have therefore been left unimplmented for now: