Add rake to dev dependencies
Add rake to dev dependencies

kulte/acts_as_shopping_cart,eubanksanator/acts_as_shopping_cart,crowdint/acts_as_shopping_cart,dabit/acts_as_shopping_cart,roberttaraya/acts_as_shopping_cart,dabit/acts_as_shopping_cart,eubanksanator/acts_as_shopping_cart,roberttaraya/acts_as_shopping_cart,crowdint/acts_as_shopping_cart,kulte/acts_as_shopping_cart