Pads the input text from right to a new length.
padRight ('Foo Bar', 1); // => 'Foo Bar'
padRight ('Foo Bar', 8); // => 'Foo Bar '
padRight ('Foo Bar', 8, '*'); // => 'Foo Bar*'
padRight ('Foo Bar', 10, '*'); // => 'Foo Bar***'
padRight ('Foo Bar', 10, '123'); // => 'Foo Bar123'
padRight ('Foo Bar', 9, '123'); // => 'Foo Bar12'