Merge pull request #4 from BrightLocal/fix/endpoint

Fix endpoint.

Author: ejeliot

src/BrightLocal/Api.php

@@ -80,9 +80,9 @@ public function call($method, $params = array(), $httpMethod = self::HTTP_METHOD
         $client = new Client;
         try {
             if ($httpMethod === static::HTTP_METHOD_GET) {
-                $result = $client->get($this->endpoint . $method, array('query' => $params));
+                $result = $client->get($this->endpoint . '/' . ltrim($method, '/'), array('query' => $params));
             } else {
-                $result = $client->$httpMethod($this->endpoint . $method, array('body' => $params));
+                $result = $client->$httpMethod($this->endpoint . '/' . ltrim($method, '/'), array('body' => $params));
             }
         } catch (RequestException $e) {
             $result = $e->getResponse();