add "gocage get property jail" + "gocage set property jail" now support string, int and bool types

cmd/root.go

@@ -107,6 +107,19 @@ Multiples properties can be specified, separated with space (Ex: gocage set allo
 			cleanAfterRun()
 		},
 	}
+	
+	getCmd = &cobra.Command{
+		Use:   "get",
+	 Short: "Get a jail property",
+	 Long:  `Get jail property value. Specify property, end command with jail name.
+	 Multiples properties can be specified, separated with space (Ex: gocage get allow_mlock boot myjail)`,
+	 Run: func(cmd *cobra.Command, args []string) {
+		 // Get the inventory
+		 ListJails(args, false)
+		 GetJailProperties(args)
+		 cleanAfterRun()
+	 },
+	}
 )
 
 
@@ -130,6 +143,7 @@ func init() {
 	listCmd.AddCommand(listPropsCmd)
 	rootCmd.AddCommand(stopCmd)
 	rootCmd.AddCommand(startCmd)
+	rootCmd.AddCommand(getCmd)
 	rootCmd.AddCommand(setCmd)
 
 	// Get FreeBSD version
@@ -187,7 +201,6 @@ func initConfig() {
 func cleanAfterRun() {
 	for _, j := range gJails {
 		if j.ConfigUpdated {
-			// TODO : Marshall to disk
 			//fmt.Printf("Config for jail %s will be updated\n", j.Name)
 			marshaled, err := json.MarshalIndent(j.Config, "", "    ")
 			if err != nil {