Changes to Version 1.0-22

  o added symmetry_test
  
  o modified code to remove the notes in the CRAN check

Changes to Version 1.0-21

  o Added for crosstabs the option of: p-values adjusted for multiple testing by a single-step max-T multiple testing approach.
  
  o Replaced .firs.lib with .onAttach

Changes to Version 1.0-23

  o Resolved NOTE problem on CRAN server check