Some data handling changes

src/utils/Utils.ts

@@ -0,0 +1,7 @@
+export const wrapAround = (value: number, size: number): number => {
+	return ((value % size) + size) % size;
+};
+
+export const sleep = (ms: number) => {
+	return new Promise(resolve => setTimeout(resolve, ms));
+};