Improved relation type virutal methods
Improved relation type virutal methods

macmm/spree_related_products,3drobotics/spree_related_products,spree-contrib/spree_related_products,macmm/spree_related_products,sunny2601/spree_related_products,3drobotics/spree_related_products,sunny2601/spree_related_products,surfdome/spree_related_products,surfdome/spree_related_products,macmm/spree_related_products,reinaris/spree_related_products,sunny2601/spree_related_products,stevecawdery/spree_related_products,spree-contrib/spree_related_products,stevecawdery/spree_related_products,spree-contrib/spree_related_products,reinaris/spree_related_products,3drobotics/spree_related_products,reinaris/spree_related_products,stevecawdery/spree_related_products