Merge pull request #99 from MathiasPaumgarten/master

add function/times
allow second argument on array/pick

set how many items should be returned.
add cancel() method to throttled/debounced functions. closes #98
Merge pull request #100 from mout/pick-2

allow second argument on array/pick
Merge pull request #101 from mout/cancel-debounce

add cancel() method to throttled/debounced functions