Changes in version 1.3.0 (2025-05-23)                  

  - Switched from Rcpp to cpp11.

                 Changes in version 1.2.0 (2025-05-16)                  

  - Renamed queue() to msg_queue().
  - Changed length of uid() and hash() to 11 characters.

                 Changes in version 1.1.0 (2025-05-09)                  

  - Changed length of uid() and hash() to 12 characters.

                 Changes in version 1.0.0 (2025-05-02)                  

  - Initial CRAN submission.