Parse standard csv or like csv format

example

``sh
npm install parsecsv --save
`

`js
var csv = require('parsecsv')();

var row = csv(line);
// when line is 'hello,world'
// row is ['hello', 'world']
`

options


`js
csv = require('parsecsv')({
separator: ',' // separator char default ','
escape: '"', // escape char, default '"'
columns: 0, // if check column length
});
``

license: MIT

Author: Redstone Zhao