When there is no connection create one

When there is no connection create one

Author: Park0

php-client/class.phpipam-api.php

@@ -643,7 +643,7 @@ public function execute ($method = false, $controller = false, $identifiers = ar
      */
     private function curl_set_connection ($token_file) {
         // check if it exists
-        if ($this->Connection!==false) {
+        if ($this->Connection===false) {
             // Get cURL resource
             $this->Connection = curl_init();