Removed deprecated Item class from svea php integration package, as it clashes with zencart Item class.
Merge branch 'develop' of https://github.com/sveawebpay/zencart-module into develop
Redone handling of coupons and unknown order total modules. WEB-219
Merge branch 'develop' of https://github.com/sveawebpay/zencart-module into develop
WEB-219 present in all payment modules