Renamed null-date-limit to no-date-limit, added old as alias.

src/argv.js

@@ -142,11 +142,11 @@ const { argv } = yargs
 		describe: 'Get the latest x releases, no matter the date range',
 		type: 'number',
 	})
-	.option('null-date-limit', {
+	.option('no-date-limit', {
 		describe: 'Limit amount of scenes when dates are missing.',
 		type: 'number',
 		default: config.nullDateLimit,
-		alias: 'limit',
+		alias: ['null-date-limit', 'limit'],
 	})
 	.option('page', {
 		describe: 'Page to start scraping at',