Issues related to R CMD check cleaned, mostly importing functions from other packages.
other distributions tested.
default distribution is normal
hardwired iterlim can be changed by the user.


git-svn-id: svn://svn.r-forge.r-project.org/svnroot/sampleselection@1602 d36ae590-6c38-44c5-9ba5-7217e93607d8
post-submission version increase to 0.2-1


git-svn-id: svn://svn.r-forge.r-project.org/svnroot/sampleselection@1603 d36ae590-6c38-44c5-9ba5-7217e93607d8