bump version to 2.2.0

library.json

@@ -13,7 +13,7 @@
         "type": "git",
         "url": "https://github.com/Links2004/arduinoWebSockets.git"
     },
-    "version": "2.1.4",
+    "version": "2.2.0",
     "license": "LGPL-2.1",
     "export": {
         "exclude": [

library.properties

@@ -1,5 +1,5 @@
 name=WebSockets
-version=2.1.4
+version=2.2.0
 author=Markus Sattler
 maintainer=Markus Sattler
 sentence=WebSockets for Arduino (Server + Client)