Changes in version 1.0.2 (2025-07-12)                  

  - The SLSQP solver (from nloptr) sometimes will return NaN for the
    parameters during the optimization phase. Added a stop clause else
    it may crash the process (due to RTMB eigen crashing).
  - Added a solver control function (issm_control)

                 Changes in version 1.0.1 (2025-04-28)                  

  - Initial CRAN submission based on complete re-write of model on
    github which was originally created on 2020-09-16.