feat: basic support for displaying version history

this is not terribly feature-rich yet, just the basics

tests/util.py

@@ -1,43 +1,15 @@
 # -*- coding: utf-8; -*-
 
-from wuttjamaican.conf import WuttaConfig
-from wuttjamaican.testing import FileConfigTestCase
 from wuttaweb.menus import MenuHandler
 
 
-class DataTestCase(FileConfigTestCase):
-    """
-    Base class for test suites requiring a full (typical) database.
-    """
-
-    def setUp(self):
-        self.setup_db()
-
-    def setup_db(self):
-        self.setup_files()
-        self.config = WuttaConfig(
-            defaults={
-                "wutta.db.default.url": "sqlite://",
-            }
-        )
-        self.app = self.config.get_app()
-
-        # init db
-        model = self.app.model
-        model.Base.metadata.create_all(bind=self.config.appdb_engine)
-        self.session = self.app.make_session()
-
-    def tearDown(self):
-        self.teardown_db()
-
-    def teardown_db(self):
-        self.teardown_files()
-
-
 class NullMenuHandler(MenuHandler):
     """
-    Dummy menu handler for testing.
+    Dummy :term:`menu handler` for testing.
     """
 
     def make_menus(self, request, **kwargs):
+        """
+        This always returns an empty menu set.
+        """
         return []