getopt: don't try to parse int arguments

Author: lukesampson

lib/getopt.ps1

@@ -23,6 +23,7 @@ function getopt($argv, $shortopts, $longopts) {
 		$arg = $argv[$i]
 		# don't try to parse array arguments
 		if($arg -is [array]) { $rem += ,$arg; continue }
+		if($arg -is [int]) { $rem += $arg; continue }
 
 		if($arg.startswith('--')) {
 			$name = $arg.substring(2)