Mark 'change_grid_option' as experimental.

Author: Tim Shawver

qgrid/grid.py

@@ -1806,7 +1806,8 @@ def toggle_editable(self):
     def change_grid_option(self, option_name, option_value):
         """
         Change a SlickGrid grid option without rebuilding the entire grid
-        widget.
+        widget. Not all options are supported at this point so this
+        method should be considered experimental.
 
         Parameters
         ----------