Add title to changelog

CHANGELOG.md

@@ -1,52 +1,54 @@
-# 2.2.0
+# Changelog
+
+## 2.2.0
 
 *Oct 3, 2020*
 
 * Update `dump()` and `load()` signatures to match `encode()` and `decode()` 
 
-# 2.1.0
+## 2.1.0
 
 *Aug 5, 2020*
 
 * Replace Becnode::decode() options array with named parameters.
   Options array is now deprecated and will be removed in 3.0
 * Engine optimizations
 
-# 2.0.0
+## 2.0.0
 
 *Jun 30, 2020*
 
 * PHP 8 is required
 * Legacy namespace `SandFoxMe\Bencode` is removed
 * Encode now throws an error if it encounters a value that cannot be serialized
 
-# 1.3.0
+## 1.3.0
 
 *Feb 14, 2019*
 
 * Increased parser speed and reduced memory consumption
 * Base namespace is now `SandFox\Bencode`. Compatibility is kept for now
 * Fixed tests for PHP 8
 
-# 1.2.0
+## 1.2.0
 
 *Feb 14, 2018*
 
 * Added `BencodeSerializable` interface
 
-# 1.1.2
+## 1.1.2
 
 *Dec 12, 2017*
 
 * Throw a Runtime Exception when trying to use the library with Mbstring Function Overloading on
 
-# 1.1.1
+## 1.1.1
 
 *Mar 30, 2017*
 
 * ListType can now wrap arrays
 
-# 1.1.0
+## 1.1.0
 
 *Mar 29, 2017*
 
@@ -56,13 +58,13 @@
 * PHP 7.0 is now required instead of PHP 7.1
 * Tests!
 
-# 1.0.1
+## 1.0.1
 
 *Mar 22, 2017*
 
 * Add stdClass as list/dict decoding option
 
-# 1.0.0
+## 1.0.0
 
 *Mar 22, 2017*