--------- Version 0_2_1 ---------------

    Fixes a number of bugs.
    Makes splitting on categories faster when e_equ=y~1
    Updates variable selection procedure with new perm reps
    New version of qtree with more options



---------- Version 0_2_0 ----------
  
  Provide a new function end_nodes().
  Fixed bugs in examples using end_nodes().
  Included vignette "rpms".
  Changed variable selection procedure in case of ties in p-value evaluation.
  Added labels and caption options to qtree() function.
  Bug fixes.
  

---------- Version 0_1_0 -----------

 provides main rpms function with 
   two methods: print() and predict()

 other functions: in_node(), qtree(), node_plot()

   