Switch to side-by-side view

--- a/ForgeWiki/forgewiki/wiki_main.py
+++ b/ForgeWiki/forgewiki/wiki_main.py
@@ -448,7 +448,7 @@
                     if u['id'] == 'all':
                         self.page.viewable_by.remove('all')
                     else:
-                        user = User.query.get(username=str(u['id']))
+                        user = User.by_username(str(u['id']))
                         if user:
                             self.page.viewable_by.remove(user.username)
         redirect('.')