code: function pr_parse(options) {
      this.traverse(options, function (dir, item, out) {
        fs.readFile(dir + item, function(err, data) {
          console.log('adding log ' + dir + item);
  
          if (err) {
            console.log(err);
            console.log(data);
            return;
          }
  
          var source = data.toString();
          var output;
  
          // if no match in the file
          if (!source.match(regex)) {
            return;
          }
  
          output = source.replace(regex, replacer);
  
          fs.writeFile(out + item, output, function(err) {
            if (err) {
              console.log(err);
            } else {
              console.log(out + item + ' was saved!');
            }
          });
        });
      });
    }
docs: Replace debuguy comments to predifined condole logs.
  @param  {[type]} options [description]
  @return {[type]}         [description]