list of visits should be in descending order (the latest on top)

smash/web/views/subject.py

@@ -83,7 +83,7 @@ def subject_edit(request, id):
 
 def subject_visit_details(request, id):
     subject_to_be_viewed = get_object_or_404(Subject, id=id)
-    visits = subject_to_be_viewed.visit_set.all()
+    visits = subject_to_be_viewed.visit_set.order_by("-visit_number").all()
     visits_data = []
     allow_add_visit = True
     for visit in visits: