Fixing delta bug for dict fields

tests/document.py

@@ -1504,6 +1504,18 @@ class DocumentTest(unittest.TestCase):
         del(doc.embedded_field.list_field[2].list_field)
         self.assertEquals(doc._delta(), ({}, {'embedded_field.list_field.2.list_field': 1}))
 
+        doc.save()
+        doc.reload()
+
+        doc.dict_field['Embedded'] = embedded_1
+        doc.save()
+        doc.reload()
+
+        doc.dict_field['Embedded'].string_field = 'Hello World'
+        self.assertEquals(doc._get_changed_fields(), ['dict_field.Embedded.string_field'])
+        self.assertEquals(doc._delta(), ({'dict_field.Embedded.string_field': 'Hello World'}, {}))
+
+
     def test_delta_db_field(self):
 
         class Doc(Document):
@@ -1795,7 +1807,8 @@ class DocumentTest(unittest.TestCase):
         person.save()
 
         person = self.Person.objects.get()
-        self.assertTrue(person.comments_dict['first_post'].published)
+        self.assertFalse(person.comments_dict['first_post'].published)
+
     def test_delete(self):
         """Ensure that document may be deleted using the delete method.
         """