Revision history for Data-Histogram-Shared

0.02      2026-07-03
          - Security and robustness hardening; backing files now created mode
            0600 (pass a file-mode argument to new() for cross-user sharing).
          - record() now croaks on a value above highest_trackable_value
            (previously such a value was silently bucketed to the top).

0.01      2026-06-25
          - Initial release.
