Email me at
gridsagegames@gmail.com and I'll take care of it ASAP.
But first, to potentially solve the problem even more quickly consider the following possibilities:
Check your spam filter. In many cases these emails are filtered as spam and never reached your inbox!
Make sure you're checking the right email. Many of us use a number of email accounts these days--be sure you're checking the one attached to the system used to make the payment.