refactoring, the values are in an OptionValues object

tiramisu/setting.py

@@ -197,11 +197,11 @@ class Setting():
         "freeze flag at Config level"
         return self.frozen
 
-    def set_owner(self, owner):
+    def setowner(self, owner):
         ":param owner: sets the default value for owner at the Config level"
         if not isinstance(owner, owners.Owner):
             raise TypeError("invalid generic owner {0}".format(str(owner)))
         self.owner = owner
 
-    def get_owner(self):
+    def getowner(self):
         return self.owner