zip_iterator should end when one of the containers reaches the end
zip_iterator should end when one of the containers reaches the end


besser82/shogun,lambday/shogun,shogun-toolbox/shogun,besser82/shogun,geektoni/shogun,geektoni/shogun,geektoni/shogun,lambday/shogun,besser82/shogun,shogun-toolbox/shogun,lambday/shogun,geektoni/shogun,shogun-toolbox/shogun,shogun-toolbox/shogun,geektoni/shogun,shogun-toolbox/shogun,lambday/shogun,shogun-toolbox/shogun,lambday/shogun,besser82/shogun,geektoni/shogun,lambday/shogun,besser82/shogun,besser82/shogun