Change Whatsapp instance property type from integer to string for compatibility and update library version to 2.8

Monitoring Server Influx V1/module.php

@@ -418,7 +418,7 @@ class MonitoringServer extends IPSModule {
         $sendmail       = $this->ReadPropertyBoolean("SendMail");
         $senddc         = $this->ReadPropertyBoolean("SendDiscord");
         $idSql          = $this->ReadPropertyInteger("SqlId");
-        $idWhatsapp     = $this->ReadPropertyInteger("WhatappInst");
+        $idWhatsapp     = $this->ReadPropertyString("WhatappInst");
         $numbersWhatsapp     = $this->ReadPropertyString("WhatsappNumbers");
         $numbersPhone     = $this->ReadPropertyString("PhoneNumbers");
         $idMail         = $this->ReadPropertyInteger("MailInst");

library.json

@@ -7,7 +7,7 @@
         "version": "6.0",
         "date": 1491343200
     },
-    "version": "2.7",
+    "version": "2.8",
     "build": 1,
     "date": 0
 }