Eliminate spurious stack dumps from ExportHandler intercepting calls to SKILLSIT output token

Issue#: NEWTAG-427


git-svn-id: svn+ssh://svn.code.sf.net/p/pcgen/code/Trunk@23704 ef53c05b-3124-4d59-ae7d-fe3273f42be7
count("SKILLSIT") was incorrectly counting - was counting skills that were not visible (thus was giving a higher number than SKILLSIT output token would output)

Issue#: NEWTAG-427


git-svn-id: svn+ssh://svn.code.sf.net/p/pcgen/code/Trunk@23705 ef53c05b-3124-4d59-ae7d-fe3273f42be7