Expiry rollover on weekends

[robertglonek]

It would be nice if AeroLab could detect if expiry that's set falls on a weekend, and, if so, roll over to the next working day.

[robertglonek]

The issue is with this: https://en.wikipedia.org/wiki/Workweek_and_weekend

There is a lot of country-to-country variation, and sadly no library that I found to find out which days are weekend based on your /etc/localtime (and how would one do this on windows?)