Do not include stats from today

Signed-off-by: Michal Čihař <michal@cihar.com>

weblate/trans/models/changes.py

@@ -82,8 +82,8 @@ class ChangeManager(models.Manager):
         '''
 
         # Get range (actually start)
-        dtend = timezone.now().date()
-        dtstart = dtend - timezone.timedelta(days=days)
+        dtend = timezone.now().date() - timezone.timedelta(days=1)
+        dtstart = dtend - timezone.timedelta(days=days + 1)
 
         # Base for filtering
         base = self.all()