lib/picklr.js
function processAllFiles (startDir, options) {
  const picklr = new Picklr(startDir, options);
  picklr.recurseFiles(startDir);
}
function processAllFiles (startDir, options) {
  const picklr = new Picklr(startDir, options);
  picklr.recurseFiles(startDir);
}
Process all files under startDir using options.