Issue 180: when deserializing objects, the context class loader is used instead…

Issue 180: when deserializing objects, the context class loader is used instead of the default class loader if the system property "h2.useThreadContextClassLoader" is set. Thanks a lot to Noah Fontes for the patch!

h2/src/test/org/h2/test/db/TestLob.java

@@ -1242,6 +1242,7 @@ public class TestLob extends TestBase {
         ResultSet rs = conn.createStatement().executeQuery("SELECT * FROM TEST");
         rs.next();
         Object oa = rs.getObject(2);
+        assertEquals(TestLobObject.class.getName(), oa.getClass().getName());
         TestLobObject a = (TestLobObject) oa;
         Object ob = rs.getObject("DATA");
         TestLobObject b = (TestLobObject) ob;