Add support for handling "Old" Script Version

Another version of the text script format was found, and has a few differences in certain sections. A set of commands with the suffix "-old" have been made to handle this script version.

Author: NerduMiner

source/app.d

@@ -15,10 +15,18 @@ int main(string[] args)
 			File script = File(args[2], "rb");
 			extractScript(script);
 			return 0;
+		case "extract-old":
+			File script = File(args[2], "rb");
+			extractScriptOld(script);
+			return 0;
 		case "repack":
 			File json = File(args[2], "r");
 			repackScript(json);
 			return 0;
+		case "repack-old":
+			File json = File(args[2], "r");
+			repackScriptOld(json);
+			return 0;
 		default:
 			return 1;
 	}