Update Changelog, composer.json and SDK_VERSION constant (#196)

Author: vinodsowdagar

CHANGELOG.md

@@ -5,6 +5,8 @@ The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/),
 and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html).
 
 ## [Unreleased]
+
+## [3.0.2] - 2020-09-03
 ### Fixed
 - Fix bug where issuers wouldn't be able to load because of wrong issuer code type (int instead of string)
 

composer.json

@@ -3,7 +3,7 @@
   "description": "MultiSafepay PHP SDK",
   "type": "library",
   "license": "MIT",
-  "version": "3.0.1",
+  "version": "3.0.2",
   "require": {
     "php": "^7.1",
     "ext-json": "*",

src/Util/Version.php

@@ -17,7 +17,7 @@
  */
 class Version
 {
-    const SDK_VERSION = '3.0.1';
+    const SDK_VERSION = '3.0.2';
 
     /**
      * @var Version