Echo JS 0.11.0

added some stuff. . .

//
// using ' fromState ' prop :
// an array of keys. component can only ' see ' those values in state
//

with the little bit of noise that's been surrounding ' HoC ( Vs ) render props ' lately. . . playing with this pattern as a quick and dirty state management toy :

https://codesandbox.io/s/7y3wlwwpz6