Merge pull request #9 from Ouxsoft/v4.2.0

Add v4.2.0 features

Author: hxtree

CHANGELOG.md

@@ -11,6 +11,10 @@ All releases must adhere to [SemVer 2](https://semver.org/) naming convention an
 ## PHPMarkup [Unreleased]
 Released: TBA. Notable changes:
 
+## PHPMarkup 4.2.0
+Released: 2021-07-09. Notable changes:
+* Added: Support for Args to contain XML.
+
 ## PHPMarkup 4.0.2
 Released: 2021-04-24. Notable changes:
 * Updated: Vendor packages.