Stream support

[kaue]

This module needs to implement streaming to support huge CSVs, currently its using memory to save the csv output https://github.com/kauegimenes/jsonexport/blob/master/lib/index.js#L109

[kaue]

@papswell Any ideas for this issue? =)

[papswell]

@kauegimenes i can try as soon as possible, but for now i can't afford to spend more time on it :s
Let's see in 2017 :)

[kaue]

@papswell What you think about this implementation?

https://github.com/kauegimenes/jsonexport/tree/v2.0.0

[kaue]

var jsonexport = require('jsonexport');
var fs = require('fs');

var reader = fs.createReadStream('data.json');
var writer = fs.createWriteStream('out.csv');

reader.pipe(jsonexport()).pipe(writer);