09/30/2010:  Version 1.0.1

   o twoStagePower checks for vector length of mu
   o modify haplotypeOddsRatio to accept more general formula
   o added deviance and degrees of freedom to print.haploOR
   o added a simulated example for haplotypeOddsRatio

09/27/2010:  Version 1.0

   o Initial version with two functions haplotypeOddsRatio & twoStagePower
