chore: update version to 5.0.3-dev

Author: williamdes

CHANGELOG.md

@@ -6,6 +6,9 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 ## [Unreleased]
 
+## [5.0.3] - 2020-xx-xx
+
+
 ## [5.0.2] - 2020-08-15
 - Upgrade nikic/php-parser from 4.5.x to 4.6.x
 - Add an error for PHP versions below 7.1

src/Doctum.php

@@ -42,7 +42,7 @@ class Doctum extends Container
     public const VERSION_MAJOR = 5;
     public const VERSION_MINOR = 0;
     public const VERSION_PATCH = 2;
-    public const IS_DEV = false;
+    public const IS_DEV = true;
 
     //@phpstan-ignore-next-line
     public const VERSION = self::VERSION_MAJOR . '.' . self::VERSION_MINOR . '.' . self::VERSION_PATCH . (self::IS_DEV ? '-dev' : '');