fix bug in matrix combination by BrailleIOMediator - Thanks to Dillon Montag for reporting and solving
fix bug in matrix combination by BrailleIOMediator - Thanks to Dillon Montag for reporting and solving

TUD-INF-IAI-MCI/BrailleIO,TUD-INF-IAI-MCI/BrailleIO,TUD-INF-IAI-MCI/BrailleIO,TUD-INF-IAI-MCI/BrailleIO