message: Add size() to cacheHandlers
diff: @@ -93,6 +93,11 @@ export let cacheHandlers = {
  return cache[table].has(key);
  },
  + /** Get the number of key-value pairs */
  + size: (table: TableName) => {
  + return cache[table].size;
  + },
  +
  // Done differently to have overloads
  /** Add a key value pair to the cache */
  set,
  