doc typos: take 

http://swannodette.github.io/mori/#take

colletion  =>  colle**c**tion

```
var a = mori.range(); // infinite sequence
mori.take(10, r); // => (0 1 2 3 4 5 6 7 8 9)
```

(10, **r**)  =>  (10, **a**)
