CHANGES in `orsk' VERSION 0.1-2   (2011-12-14)

  o  The method/software now includes least squares for three scenarios called by argument type, and on the log scale of odds ratio and confidence intervals.
  o  Replacing Fortran subroutine with R function for sorting sum of squares
                
                CHANGES in `orsk' VERSION 0.1-3   (2012-3-13)

  o  Add one more type of objective function 
  o  Modified vignette file with new data example from a single study