woothemes/woocommerce — pull request #1043 by kayue (2012-05-15 09:17:26+00:00)
Title: Use WC_Order's method to display order number.

In `woocommerce_custom_order_columns()`, should use the `get_order_number()` method from `WC_Order` class to display order number because it contains the `woocommerce_order_number` filter.