2013-12-06: Really fixes the out-of-bounds errors indicated by Prof. Ripley

git-svn-id: svn://r-forge.r-project.org/svnroot/memisc@50 edb9625f-4e0d-4859-8d74-9fd3b1da38cb
2014-02-12:  Eliminated fapply-method for data.set objects. Various smaller fixes to codebooks.

git-svn-id: svn://r-forge.r-project.org/svnroot/memisc@51 edb9625f-4e0d-4859-8d74-9fd3b1da38cb