Merge pull request #10 from janverton/master

Fixes #9

Author: jeroendesloovere

src/Geolocation.php

@@ -79,6 +79,11 @@ protected function doCall($parameters = array())
         // redefine response as json decoded
         $response = json_decode($response);
 
+        // API returns with an error
+        if (isset($response->error_message)) {
+            throw new GeolocationException($response->error_message);
+        }
+
         // return the content
         return $response->results;
     }