Button Debounce

[worlds6440]

We need to cope with multiple button presses in short succession and treat as a single hit.

[robberwick]

I would suggest that applying a decorator to any function which you wish to debounce is by far the cleanest way of doing it. There is an excellent example which you can just lift in this here gist

also, yay for function decorators.

[worlds6440]

Looks good, will give that a try