wp-e-commerce/WP-e-Commerce — pull request #851 by JeffPyeBrook (2014-01-20 19:46:44+00:00)
Title: Shipping method before/after actions.

Added actions to notify that shipping method processing is about to start, or has just completed.
This actions are useful if you want to handle errors or conditions generated by shipping modules.

Resolves issue #850