restoring Settings backward compatibility, thanks Dominic

VERSION

@@ -1 +1 @@
-Version 2.00.0 (2012-08-23 08:37:52) dev
+Version 2.00.0 (2012-08-23 08:42:44) dev

gluon/storage.py

@@ -155,9 +155,9 @@ def save_storage(storage, filename):
 
 class Settings(Storage):
     def __setattr__(self, key, value):
-        if key != 'lock_keys' and 'lock_keys' in self and not key in self:
+        if key != 'lock_keys' and self['lock_keys'] and key not in self:
             raise SyntaxError, 'setting key \'%s\' does not exist' % key
-        if key != 'lock_values' and 'lock_values' in self:
+        if key != 'lock_values' and self['lock_values']:
             raise SyntaxError, 'setting value cannot be changed: %s' % key
         self[key] = value