Use Taskchampion to store Taskwarrior data

This replaces the TF2 task files with a TaskChampion replica.

test/uuid.t

@@ -179,15 +179,28 @@ class TestUUIDuplicates(TestCase):
         """Executed before each test in the class"""
         self.t = Task()
 
-    def test_uuid_duplicates(self):
-        """Verify that duplicating tasks, and recurring tasks do no create duplicates UUIDs"""
+    def test_uuid_duplicates_dupe(self):
+        """Verify that duplicating tasks does not create duplicate UUIDs"""
         self.t("add simple")
         self.t("1 duplicate")
-        self.t("add periodic recur:daily due:yesterday")
+
+        uuids = list()
+        for id in range(1,3):
+            code, out, err = self.t("_get %d.uuid" % id)
+            uuids.append(out.strip())
+
+        self.assertEqual(len(uuids), len(set(uuids)))
+
+        code, out, err = self.t("diag")
+        self.assertIn("No duplicates found", out)
+
+    def test_uuid_duplicates_recurrence(self):
+        """Verify that recurring tasks do not create duplicate UUIDs"""
+        print(self.t("add periodic recur:daily due:yesterday"))
         self.t("list") # GC/handleRecurrence
 
         uuids = list()
-        for id in range(1,7):
+        for id in range(1,5):
             code, out, err = self.t("_get %d.uuid" % id)
             uuids.append(out.strip())