Fix bug: KEY in pcc referenced by other pcc triggers false duplication?
* Port to 6.2 branch
Issue#: CODE-2458


git-svn-id: svn+ssh://svn.code.sf.net/p/pcgen/code/branches/6.02.x@23393 ef53c05b-3124-4d59-ae7d-fe3273f42be7