Issue #1508682 by input | pcambra: Missing readme.txt.
Issue #1658228 by davidwhthomas: Fixed Admin coupon view visible to all users?.
Issue #1643724 by davidwhthomas: Fixed Coupon attempts to be added twice after validation on another pane error during checkout.
Issue #1654996 by pcambra: Fixed Wrong 'Coupons' checkout pane configuration option.
Issue #1685444 by pcambra, nielsonm: Added Times used coupon views handler.
Issue #1691672 by twardnw: Added display 'Number of uses' and times used on coupon list.
Issue #1734110 by Darren Shelley, webmasterkai: Fixed Bug in coupon validation allowing multiple applications.
Issue #1727714 by firfin, jonathan_hunt: Fixed Some fixes for English, typos.
Issue #1426830 by nielsonm, jonathan_hunt: Fixed Some code docs for commerce_coupon().checkout_pane().inc.