Smothes a flat number array path using Chaikins Algorithm
var smoothPath = require('smooth-path');
var path = [ 0, 0, 20, 20, 15, 15, 60, 50 ];
var result = smoothPath(path);
// result: [ 5, 5, 15, 15, 18.75, 18.75, 16.25, 16.25 ]
MIT, see LICENSE