- Fixed problem with the Kepner-Robinson-test
- Changed function name ''psrank'' to ''pseudorank'' and set ''psrank'' as deprecated.
- Added a data set which can be used to show paradoxical results from rank tests.
- Added the Kruskal-Wallis test with an option to use either ranks or pseudo-ranks.
- Added an option to use the Hettmansperger-Norton test with ranks.
- Fixed a bug in the computation of maximum pseudo-ranks.