- eget: improve is_url checking
- eget: disable checking for globbing symbol ? in URL
- eget: fix URL concatenation
- eget: add -4/-6 support (force use IPv4/6)
- eget: comment out set_quiet for --check
- eget: add support for single quote
- eget: update which workaround
- eget: update tty functions

- eget: add --second-latest support
- eget: add support -O when wildcards are used
- eget: parse data-file= too
- eget: implement --check-mirrors
- eget: rewrite mirror checking to minimize requests
- eget: add support for URL in form file:/ or /path
- eget: make correct URL if file part parsed by mask separately
- eget: improve options parsing
- eget: improve help text
- eget: fix list for direct URL without mask
- eget: add checking for extra args