Update CLI to all use the new expand bracket capability

internal/app/wwctl/node/delete/main.go

@@ -6,6 +6,7 @@ import (
 
 	"github.com/hpcng/warewulf/internal/pkg/node"
 	"github.com/hpcng/warewulf/internal/pkg/wwlog"
+	"github.com/hpcng/warewulf/pkg/hostlist"
 	"github.com/manifoldco/promptui"
 	"github.com/pkg/errors"
 	"github.com/spf13/cobra"
@@ -27,6 +28,8 @@ func CobraRunE(cmd *cobra.Command, args []string) error {
 		os.Exit(1)
 	}
 
+	args = hostlist.Expand(args)
+
 	for _, r := range args {
 		var match bool
 		for _, n := range nodes {