convert ndpixels between color spaces
npm install ndpixels-convertconvert ndpixels between color spaces.

with npm, do:
```
npm i --save ndpixels-convert
`
var ndarray = require('ndarray')
var convert = require('ndpixels-convert');
var hslToRgb = convert('hsl', 'rgb')
var hsl = Ndarray([0, 100, 100], [1, 3])
var rgb = Ndarray([255, 0, 0], [1, 3])
t.deepEqual(hslToRgb(hsl).data, rgb.data)
``
check out tests
ISC