Update to PHP Parser 3

Author: AydinHassan

composer.json

@@ -23,15 +23,14 @@
         "symfony/process": "^2.3|^3.0",
         "symfony/filesystem": "^2.3|^3.0",
         "fzaninotto/faker": "^1.5",
-        "aydin-hassan/cli-md-renderer": "^2.1",
-        "php-school/psx": "~1.0",
+        "aydin-hassan/cli-md-renderer": "dev-use-keylighter",
         "php-school/cli-menu": "^2.0",
         "beberlei/assert": "^2.4",
         "psr/http-message": "^1.0",
         "zendframework/zend-diactoros": "^1.3.6",
         "myclabs/php-enum": "^1.4",
-        "nikic/php-parser": "^2.1",
-        "kadet/keylighter": "^0.8.2"
+        "kadet/keylighter": "^0.8.2",
+        "nikic/php-parser": "^3.0"
     },
     "require-dev": {
         "composer/composer": "^1.2",