10/20/06

Changed the rtraingle and qtriangle functions in response to an excellent bug
report from Dr Michael Scroggie (Michael.Scroggie@dse.vic.gov.au).  The bug
involved the conditional logic in the inverse CDF so that when the "a" and "c"
parameters were equal, rtriangle would return a vector of "a".

Version 0.4
  Changed the license to GPL >= 2 according to a Kurt Hornik email

Version 0.5
  Changed the filenames to be portable