README.md in hash-utils-0.17.1 vs README.md in hash-utils-0.18.0

@@ -13,12 +13,13 @@
 - `Gem` – 2 methods,
 - `Hash` – 38 methods,
 - `IO` – 1 method,
 - `Module` – 1 method,
 - `Numeric` – 5 method,
-- `Object` – 12 methods,
+- `Object` – 13 methods,
+- `Proc` – 1 method,
 - `TrueClass` – 3 methods,
-- `String` – 35 methods,
+- `String` – 37 methods,
 - `StringIO` – 1 method,
 - `Symbol` – 8 methods.
 
 For full reference and methods lists, see **[documentation][3]**.