Changes in version 0.0.6 (2023-09-06)                  

  - Removed dependence of optimx::gHgen() for calculate the numeric
    Hessian matrix in the unitquantreg.fit() function.

                 Changes in version 0.0.5 (2022-10-16)                  

  - Reduced unit testing timings.
  - Reduced example timings.
  - Used tryCatch() to handle when chol() fails in the hessian matrix.
  - Fixed .plot_conddist() when shape parameter is not constant.
  - Included a stop in .plot_conddist() to check if all covariates have
    values in at_obs argument.
  - Included the sim_bounded data set, a new toy simulated data set.

                        Changes in version 0.0.4                        

  - Fixed unit tests for ATLAS linear algebra operation library.
  - Suppressed output of unitquantreg when computing the numerical
    hessian.

                 Changes in version 0.0.3 (2022-09-19)                  

  - Included unit-Gumbel distribution.
  - Fixed print.vuong method.
  - Corrected Vuong test name .