BUGFIX + ADDING GEO LOOKUP

git-svn-id: https://silverstripe-ecommerce.googlecode.com/svn/trunk@5161 950b781c-c544-efab-2f99-90083ee69683
IMPROVED CACHING

git-svn-id: https://silverstripe-ecommerce.googlecode.com/svn/trunk@5162 950b781c-c544-efab-2f99-90083ee69683
IMPROVED CACHING

git-svn-id: https://silverstripe-ecommerce.googlecode.com/svn/trunk@5163 950b781c-c544-efab-2f99-90083ee69683
TWEAKS: clean cart, code

git-svn-id: https://silverstripe-ecommerce.googlecode.com/svn/trunk@5164 950b781c-c544-efab-2f99-90083ee69683
ENHANCEMENT: check for array

git-svn-id: https://silverstripe-ecommerce.googlecode.com/svn/trunk@5165 950b781c-c544-efab-2f99-90083ee69683