Version 0.9.23
- Handle when not enough beans to redeem ( avoid null amount coupon)
- You have chosen to redeem your beans message does not appear anymore after a repeat purchase  


git-svn-id: https://plugins.svn.wordpress.org/woocommerce-beans/trunk@1040759 b8457f37-d9ea-0310-8a92-e5e31aec5664