Fixed extension point in CartEditField. Fixes #391 and #356.
Fixed extension point in CartEditField. Fixes #391 and #356.

hpeide/silverstripe-shop,bummzack/silverstripe-shop,burnbright/silverstripe-shop,bummzack/silverstripe-shop,webtorque7/silverstripe-shop,silvershop/silvershop-core,webtorque7/silverstripe-shop,burnbright/silverstripe-shop,burnbright/silverstripe-shop,webtorque7/silverstripe-shop,bummzack/silverstripe-shop