Fix curl get

Author: rubenvanassche

src/Http/Client.php

@@ -148,7 +148,7 @@ public function makeCurlRequest(string $httpVerb, string $fullUrl, array $header
                 break;
 
             case 'get':
-                curl_setopt($curlHandle, CURLOPT_URL, $fullUrl.'?'.http_build_query($arguments));
+                curl_setopt($curlHandle, CURLOPT_URL, $fullUrl.'&'.http_build_query($arguments));
 
                 break;