This should be JSON encoded don't need to use http_build_query

Author: seanmcn

src/Kobas/Client.php

@@ -157,7 +157,7 @@ protected function call($http_method, $route, array $params = array(), array $he
                 break;
             case 'DELETE':
             case 'PUT':
-                $this->request->setOption(CURLOPT_POSTFIELDS, http_build_query($params));
+                $this->request->setOption(CURLOPT_POSTFIELDS, json_encode($params));
                 break;
             case 'GET':
                 if (count($params)) {