Oh yes, and lest my position be clouded by my humour (here and elsewhere): You found a hole in your (non-commercial) software; You fixed it as quickly as humanly possible and you done a mighty fine job of letting us all know about it ASAP.

There nothing to be embarrassed about there - you've provided service well above and beyond both the call of 'duty', and frankly most commercial vendors I can think of.

Well done sir, say I!

Yup. What he said.