Remove "-v" shortcut for "version" argument, as it does not work with Powershell completion; remove "-h" visual option for "help" for consistency

mutn.go

@@ -174,7 +174,7 @@ func main() {
 				cli.HelpGen()
 			case "add":
 				cli.HelpAdd()
-			case "version", "-v":
+			case "version":
 				cli.Version()
 			default:
 				cli.HelpMain()

src/cli/printInfo.go

@@ -21,8 +21,8 @@ This program comes with absolutely no warranty; type "mutn version" for details.
 ` + AnsiBold + "Usage:" + backend.AnsiReset + ` mutn [/<entry name> [argument] [option]] | [argument]
 
 ` + AnsiBold + "Arguments:" + backend.AnsiReset + `
- help|-h                 Bring up this menu
+ help                    Bring up this menu
- version|-v              Display version and license information
+ version                 Display version and license information
  init                    Set up MUTN (generates libmutton.ini)
  tweak                   Change configuration options
  copy                    Copy details of an entry to your clipboard