Fix: DATA-1913 PCGen allows loading of conflicting multi-sets, then screws up Eidolon

git-svn-id: svn+ssh://svn.code.sf.net/p/pcgen/code/Trunk@24744 ef53c05b-3124-4d59-ae7d-fe3273f42be7
Fix: DATA-1913 PCGen allows loading of conflicting multi-sets, then screws up Eidolon

git-svn-id: svn+ssh://svn.code.sf.net/p/pcgen/code/Trunk@24745 ef53c05b-3124-4d59-ae7d-fe3273f42be7