6.0 (#35)

Set php 8 as the minimal version.
Some fixes related to php8
Some lint changes

README.md

@@ -14,7 +14,7 @@ We use [Composer](https://getcomposer.org/):
 ```
 {
     "require": {
-        "maniaplanet/dedicated-server-api": "^5.0"
+        "maniaplanet/dedicated-server-api": "^6.0"
     }
 }
 ```

composer.json

@@ -1,31 +1,32 @@
 {
     "name": "maniaplanet/dedicated-server-api",
     "type": "library",
-    "description": "XML-RPC library to connect to ManiaPlanet server",
-    "keywords": ["ManiaPlanet", "ShootMania", "TrackMania"],
+    "description": "XML-RPC library to connect to Maniaplanet server",
+    "keywords": ["Maniaplanet", "Shootmania", "Trackmania"],
     "homepage": "https://github.com/maniaplanet/dedicated-server-api",
-	"license": "LGPL-3.0",
+    "license": "LGPL-3.0",
     "authors": [
         {
-            "name": "NadeoLive",
-            "email": "livedev@nadeo.com",
+            "name": "Nadeo",
+            "email": "contact@nadeo.com",
             "homepage": "http://www.nadeo.com/"
         }
     ],
-	"support": {
+    "support": {
         "forum": "http://forum.maniaplanet.com/viewforum.php?f=40"
     },
     "require": {
-        "php": ">=5.3"
+        "php": "^8.0",
+        "ext-sockets": "*"
     },
     "autoload": {
         "psr-4": {
-            "Maniaplanet\\": "libraries/Maniaplanet"
+            "Maniaplanet\\": "