Minor config fixes

qutebrowser/app.py

@@ -674,7 +674,7 @@ class Quitter:
             if session is not None:
                 session_manager.save(session, last_window=last_window,
                                      load_next_time=True)
-            elif config.val.save_session:
+            elif config.val.auto_save.session:
                 session_manager.save(sessions.default, last_window=last_window,
                                      load_next_time=True)
 

qutebrowser/browser/webkit/webkitsettings.py

@@ -175,7 +175,7 @@ MAPPINGS = {
         CookiePolicy(),
     'content.dns_prefetch':
         Attribute(QWebSettings.DnsPrefetchEnabled),
-    'content.frame-flattening':
+    'content.frame_flattening':
         Attribute(QWebSettings.FrameFlatteningEnabled),
     'content.offline_web_application_cache':
         Attribute(QWebSettings.OfflineWebApplicationCacheEnabled),

qutebrowser/config/configdata.yml

@@ -262,7 +262,7 @@ messages.unfocused:
 
 confirm_quit:
   type: ConfirmQuit
-  default: never
+  default: [never]
   desc: Whether to confirm quitting the application.
 
 zoom.text_only:

qutebrowser/config/configtypes.py

@@ -397,7 +397,7 @@ class FlagList(List):
     _show_valtype = False
 
     def __init__(self, none_ok=False, valid_values=None):
-        super().__init__(BaseType(), none_ok)
+        super().__init__(String(), none_ok)
         self.valtype.valid_values = valid_values
 
     def _check_duplicates(self, values):