Refrot changelog

1.4.1 - 2023-09-13

• Check href and src attributes.
• Package it.

1.4 - 2023-03-26

• Simplify help display.

1.3 - 2023-02-15

• Display elapsed time.
• Add --version command line option.

1.2 - 2022-11-12

• Drop lxml library.

1.1 - 2021-05-06

• Add custom user agent.

1.0.1 - 2021-03-04

• Fix internal loopback hyperlinks.

1.0 - 2020-03-24

• Initial release.