Try to fix qute://settings

qutebrowser/browser/qutescheme.py

@@ -471,7 +471,7 @@ def qute_settings(url):
     if url.path() == '/set':
         return _qute_settings_set(url)
 
-    config_getter = config.instance.get  # FIXME to_str
     html = jinja.render('settings.html', title='settings',
-                        configdata=configdata, confget=config_getter)
+                        configdata=configdata,
+                        confget=config.instance.get_str)
     return 'text/html', html

qutebrowser/config/newconfig.py

@@ -124,10 +124,17 @@ class NewConfigManager(QObject):
 
     def get(self, option):
         try:
-            value = self.options[option]
+            opt = self.options[option]
         except KeyError:
             raise configexc.NoOptionError(option)
-        return value.typ.to_py(value.default)
+        return opt.typ.to_py(opt.default)
+
+    def get_str(self, option):
+        try:
+            opt = self.options[option]
+        except KeyError:
+            raise configexc.NoOptionError(option)
+        return opt.typ.to_str(opt.default)
 
     def set(self, option, value):
         raise configexc.Error("Setting doesn't work yet!")