made cli use $0 as reference for helptext

main.go

@@ -55,7 +55,7 @@ func main() {
 	case "info":
 		api.InitAPI()
 		if len(os.Args) <= 2 {
-			fmt.Println("Usage: r2go info <dependency string>")
+			fmt.Printf("Usage: %s info <dependency string>\n", os.Args[0])
 		} else {
 			var selectedmod api.Mod = api.GetModData(os.Args[2])
 			color.Cyan("Mod Info: %s", os.Args[2])
@@ -123,8 +123,9 @@ func main() {
 	case "filter":
 		fmt.Println(tools.ExposeModString(os.Args[2]))
 	case "version", "ver", "v":
-		color.Magenta("> r2go", version)
-		fmt.Println(" > github.com/endigma442")
+		color.Magenta("> r2go")
+		fmt.Println(">", version)
+		fmt.Println("> git.cya.cx/endigma/r2mod-go")
 	case "search", "s", "find":
 		api.InitAPI()
 
@@ -138,6 +139,6 @@ func main() {
 			fmt.Println(" -", mod.Target)
 		}
 	default:
-		fmt.Println("Unknown command, use 'r2go help' for a list of commands.")
+		fmt.Printf("Unknown command, use '%s help' for a list of commands.\n", os.Args[0])
 	}
 }