= 4.5.7 =
* Fixed: Patched rare issue affecting the ability to upgrade from old 2.x versions of wpStoreCart to the current version
* Removed: Deleted unused Piwik code

git-svn-id: https://plugins.svn.wordpress.org/wpstorecart/trunk@882068 b8457f37-d9ea-0310-8a92-e5e31aec5664