0.1     Sun Dec 29 06:59:33 PM UTC 2024
        - initial release for API starting with
          Sendy API, version 6.1.2
0.2     Mon Dec 30 06:59:33 PM UTC 2024
        - cleaning up docs, making first full
          release
        - increased test coverage
        - please report any issues or questions
          due to lack of clarity in POD
0.3     Mon Dec 30 07:00:33 PM UTC 2024
        - POD tweaks
0.4     Thu Jan 02 07:00:33 PM UTC 2025
        - completed "create" support, which was
          lacking a final message on success
        - POD tweaks
0.5     Thu Jan 02 08:00:33 PM UTC 2025
        - made "track_opens" and "track_clicks"
          enabled by default; added option params
          "no_track_opens" and "no_track_clicks"
          turn turn them off, respectively.
        - updated POD; also noted that by default
          campaigns are created as drafts; there
          currently no support for scheduling a
          send, only sending immediately via the
          "send_campaign" parameter (and cli flag,
          "--send_campaign".
0.6     Fri Jan 24 09:00:00 PM UTC 2025
        - added "--html_file" to the sendy client
          for passing in body content that is to
          large for the shell's argument length
          limit
        - if "--html_file" and "--html_text" are
          both passed, there is a warning via STDERR
          and the file contents override the text
          sent via "--html_text"