There is a very real chance of this happening, and two choices. One - bake whatever happens into your system permanently, like 99% of all apps, and disallow co

There is a very real chance of this happening, and two choices. One - bake whatever happens into your system permanently, like 99% of all apps, and disallow corrections. Two - keep the events around so that you can check and re-check your corrections before you check in new code or data.