If the script failed at some point issueing

	echo $?

right after the failure will you show the following:

	0		everything went right
	1		general error (none of the following)
	9		game specified is not known
	15		ISO or ROM does not exist
	21		Riivolution files/patch does not exist
	27		NSMBW version is not recognized
	33		custom banner specified from command line is not a .bnr file
	39		custom game id specified from command line is not a 6 digit alphanumeric
	45		error copying new game files
	51		wit/ips/applyppf caught an error processing files
	57		wget caught an error while downloading
	63		unp caught an error while unpacking a file