some fixes according by variables in BayesX, also fixed sorting for hierarchical model data sets in BayesX_data(), added default lambda=100 in sx()

git-svn-id: svn://svn.r-forge.r-project.org/svnroot/bayesr@908 edb9625f-4e0d-4859-8d74-9fd3b1da38cb
some fixes according by variables in BayesX, also fixed sorting for hierarchical model data sets in BayesX_data(), added default lambda=100 in sx()

git-svn-id: svn://svn.r-forge.r-project.org/svnroot/bayesr@909 edb9625f-4e0d-4859-8d74-9fd3b1da38cb