Refrot release history

1.4.1 - 2023-09-13

• FIX: check href and src attributes.
• FIX: package it.

1.4 - 2023-03-26

• CHANGE: simple help display.

1.3 - 2023-02-15

• ADD: display elapsed time.
• ADD: --version command line option.

1.2 - 2022-11-12

• REMOVE: lxml library.

1.1 - 2021-05-06

• ADD: send custom user agent.

1.0.1 - 2021-03-04

• FIX: handle internal loopback hyperlinks.

1.0 - 2020-03-24

• Initial release.