Fix problem with XmlDomExtensions AddSheet()
Fix problem with XmlDomExtensions AddSheet()

andrew-polk/libpalaso,chrisvire/libpalaso,darcywong00/libpalaso,gtryus/libpalaso,hatton/libpalaso,hatton/libpalaso,ddaspit/libpalaso,ermshiperete/libpalaso,andrew-polk/libpalaso,hatton/libpalaso,gtryus/libpalaso,JohnThomson/libpalaso,mccarthyrb/libpalaso,marksvc/libpalaso,marksvc/libpalaso,marksvc/libpalaso,sillsdev/libpalaso,JohnThomson/libpalaso,JohnThomson/libpalaso,sillsdev/libpalaso,chrisvire/libpalaso,tombogle/libpalaso,ermshiperete/libpalaso,ddaspit/libpalaso,glasseyes/libpalaso,darcywong00/libpalaso,chrisvire/libpalaso,glasseyes/libpalaso,sillsdev/libpalaso,mccarthyrb/libpalaso,hatton/libpalaso,andrew-polk/libpalaso,mccarthyrb/libpalaso,darcywong00/libpalaso,chrisvire/libpalaso,sillsdev/libpalaso,gmartin7/libpalaso,ermshiperete/libpalaso,gmartin7/libpalaso,glasseyes/libpalaso,gmartin7/libpalaso,tombogle/libpalaso,JohnThomson/libpalaso,andrew-polk/libpalaso,tombogle/libpalaso,mccarthyrb/libpalaso,ddaspit/libpalaso,glasseyes/libpalaso,ddaspit/libpalaso,gtryus/libpalaso,ermshiperete/libpalaso,gmartin7/libpalaso,gtryus/libpalaso,tombogle/libpalaso