+15 May 2004 Kevin Rosenberg (kevin@rosenberg.net)
+ * Version 2.10.18: Caching and refreshing complete
+ * sql/objects.lisp: implement UPDATE-OBJECT-JOINS,
+ implement REFRESH for SELECT.
+ * tests/test-oodml.lisp: Add tests for deferred retrieval,
+ caching, refresh, and update-object-joins
+ * tests/test-init.lisp: Add deferred-employee-address class
+