Add some javadoc

git-svn-id: svn+ssh://svn.code.sf.net/p/pcgen/code/Trunk@22246 ef53c05b-3124-4d59-ae7d-fe3273f42be7
Fix bug: CLASSES tag was not flagging invalid syntax.
Issue#: CODE-2362


git-svn-id: svn+ssh://svn.code.sf.net/p/pcgen/code/Trunk@22247 ef53c05b-3124-4d59-ae7d-fe3273f42be7