Updated version table with PHPUnit (#53)

* Updated version table with PHPUnit

* Updated date

Author: Nyholm

README.md

@@ -252,8 +252,9 @@ public function processed_configuration_for_array_node_1()
 
 ## Version Guidance
 
-| Version | Released     | Status     |
-|---------|--------------|------------|
-| 3.x     | Nov 30, 2017 | Latest     |
-| 2.x     | Jun 18, 2016 | EOL        |
-| 1.x     | Oct 12, 2014 | EOL        |
+| Version | Released     | PHPUnit     | Status     |
+|---------|--------------| ------------|------------|
+| 4.x     | Mars 5, 2018 | 7.x         | Latest     |
+| 3.x     | Nov 30, 2017 | 6.x         | Bugfixes   |
+| 2.x     | Jun 18, 2016 | 4.x and 5.x | EOL        |
+| 1.x     | Oct 12, 2014 | 3.x         | EOL