Better check command line arguments
Better check command line arguments

dbartolini/crown,taylor001/crown,mikymod/crown,mikymod/crown,dbartolini/crown,taylor001/crown,dbartolini/crown,galek/crown,mikymod/crown,taylor001/crown,galek/crown,mikymod/crown,taylor001/crown,galek/crown,dbartolini/crown,galek/crown