fixed token generation

generators/token.js

@@ -17,7 +17,7 @@ if (require.main === module) {
 			auth.tokens.push(token);
 
 			// Generate the user
-			let username = process.argv[2] ? process.argv[2].replace(/[^\da-z]/gi, '').substring(0, MAX_USERNAME) : randomGen(20);
+			let username = process.argv[2] ? process.argv[2].replace(/[^\da-z]/gi, '').substring(0, MAX_USERNAME) : randomGen({ length: 20 });
 			if (!auth.users) auth.users = {};
 			if (Object.values(auth.users).findIndex((user) => user.username == username) != -1) {
 				console.log('Username already exists!');