Corrected the collate field
added add.poset
updated the function new.pim.poset
added getters for the slots of pim.environment and pim.poset
updated help files

new.pim.env still needs to be updated to get the poset constructed correctly

git-svn-id: svn://svn.r-forge.r-project.org/svnroot/pim@51 edb9625f-4e0d-4859-8d74-9fd3b1da38cb
Updated help file of add.poset for future reference

git-svn-id: svn://svn.r-forge.r-project.org/svnroot/pim@52 edb9625f-4e0d-4859-8d74-9fd3b1da38cb
adapted add.poset a bit

git-svn-id: svn://svn.r-forge.r-project.org/svnroot/pim@53 edb9625f-4e0d-4859-8d74-9fd3b1da38cb