2.8.9.4  
* ADDED: option to group, sort and display items by category in cart, order page, thank you page and emails  
* ADDED: filters and action hooks in the relevant templates to enable the above (which could of course also be used for other purposes if required)  
18th March 2014   

git-svn-id: https://plugins.svn.wordpress.org/wppizza/trunk@877897 b8457f37-d9ea-0310-8a92-e5e31aec5664