v 1.4.0

- Updated local libraries
- PHP 7.1 support
- New, proper caching method
- Special cache folder

lib/ts3phpframework/libraries/TeamSpeak3/Helper/String.php

@@ -393,7 +393,7 @@ class TeamSpeak3_Helper_String implements ArrayAccess, Iterator, Countable
    */
   public function isInt()
   {
-    return (is_numeric($this->string) && !$this->contains(".")) ? TRUE : FALSE;
+    return (is_numeric($this->string) && !$this->contains(".") && !$this->contains("x")) ? TRUE : FALSE;
   }
 
   /**