Whitespace character handling #58

 $p  = new \JmesPath\Parser();
var_dump($p->parse("[]\r[]"));
array(3) {
  ["type"]=>
  string(10) "projection"
  ["from"]=>
  string(5) "array"
  ["children"]=>
  array(2) {
    [0]=>
    array(2) {
      ["type"]=>
      string(7) "flatten"
      ["children"]=>
      array(1) {
        [0]=>
        array(3) {
          ["type"]=>
          string(10) "projection"
          ["from"]=>
          string(5) "array"
          ["children"]=>
          array(2) {
            [0]=>
            array(2) {
              ["type"]=>
              string(7) "flatten"
              ["children"]=>
              array(1) {
                [0]=>
                array(1) {
                  ["type"]=>
                  string(7) "current"
                }
              }
            }
            [1]=>
            array(1) {
              ["type"]=>
              string(7) "current"
            }
          }
        }
      }
    }
    [1]=>
    array(1) {
      ["type"]=>
      string(7) "current"
    }
  }
}