mode works with all iterables

[pacman82]

Changed mode interface from &[] slices to IntoIterator. Sadly, I think it would take unstable compiler features to make mode return primitives by value instead of references for ranges not moving ownership of elements during iteration. Or am I mistaken?

[JeffBelgum]

Hi @pacman82,

Thanks for your PR! I'm quite busy for the rest of this week, but I'll check it out over the weekend.

Cheers, Jeff

[pacman82]

thx, looking forward to your feedback