kiwi storage is mandatory
comments for pipe handling
added pseudo-event-bus built on other minimal bash scripts
not updating last date if a date is provided via cli
Taking a custom date in with archivist-submit

As a bonus this uses the date command --date parsing
for very flexible date input.
escaping all of the apostrophes
changed the output of archivist-last, added archivist-date, allowing whitespaces in DATE_FORMAT
proper quoting in usage
using env bash, not just bash
cleaning up code, improving documentation of archivist