Fix filtering of unsupported umodes
Fix filtering of unsupported umodes

Signed-off-by: James McCoy <jamessan@users.sourceforge.net>
(cherry picked from commit 3bfda3cc7ac52ff0fd13150f044f9b5b9c4f03e2)

Signed-off-by: Daniel Folkinshteyn <c89479571640853a547e0bfdade4423027407e94@users.sourceforge.net>

Ban3/Limnoria,Ban3/Limnoria,ProgVal/Limnoria-test,ProgVal/Limnoria-test,mazaclub/mazabot-core,mazaclub/mazabot-core