Correct description of option -n in synopsis.
Added option -Hi.
This allows to do arithmetic comparison on flags of the headers 'Header' field.
Fix missing -Oi for -t in synopsis.
Completion: Fix: add missing option for -i.
Adapt time range in copyright notice.
Correct description of -c in synopsis.
Don't unset arr_hsearch_xint[y]. Speed up searching arr_hsearch_xint[@].
Options -Xg and -Xr are no longer mutal exclusive with option -Fg and -Fr.
Correct error message on invalid combination of options.
Send some error message to stderr.
Add function to check if a value is digit/xdigit.
Update script header.
Set PATH if not defined in the environment.
Completion: Adapt to recent changes.
Update Readme.md
Bump version to 3.1.