added add.partial function

git-svn-id: svn://svn.r-forge.r-project.org/svnroot/bayesr@862 edb9625f-4e0d-4859-8d74-9fd3b1da38cb
added add.partial function

git-svn-id: svn://svn.r-forge.r-project.org/svnroot/bayesr@863 edb9625f-4e0d-4859-8d74-9fd3b1da38cb
added add.partial function

git-svn-id: svn://svn.r-forge.r-project.org/svnroot/bayesr@864 edb9625f-4e0d-4859-8d74-9fd3b1da38cb
score and weights lognormal fixed

git-svn-id: svn://svn.r-forge.r-project.org/svnroot/bayesr@865 edb9625f-4e0d-4859-8d74-9fd3b1da38cb