A bunch of changes

Signed-off-by: Dave Henderson <dhenderson@gmail.com>

cmd/onerng/version.go

@@ -0,0 +1,26 @@
+package main
+
+import (
+	"context"
+	"fmt"
+
+	"github.com/hairyhenderson/go-onerng"
+	"github.com/spf13/cobra"
+)
+
+// versionCmd represents the version command
+func versionCmd(ctx context.Context) *cobra.Command {
+	return &cobra.Command{
+		Use:   "version",
+		Short: "Display the OneRNG's hardware version",
+		RunE: func(cmd *cobra.Command, args []string) error {
+			o := &onerng.OneRNG{Path: opts.Device}
+			version, err := o.Version(ctx)
+			if err != nil {
+				return err
+			}
+			fmt.Printf("OneRNG Hardware Version: %d\n", version)
+			return nil
+		},
+	}
+}