Merge pull request #33 from leo108/master

1. 去除测试用的打印
2. 修复重试情况下，不会返回数据的BUG

Author: xiezefan

src/JPush/JPush.php

@@ -120,7 +120,7 @@ public function _request($url, $method, $body=null, $times=1) {
                 throw new APIConnectionException("Connect timeout. Please retry later. Error:" . $errorCode . " " . curl_error($ch));
             } else {
                 $this->log("Send " . $method . " " . $url . " fail, curl_code:" . $errorCode . ", body:" . $body . ", times:" . $times);
-                $this->_request($url, $method, $body, ++$times);
+                return $this->_request($url, $method, $body, ++$times);
             }
         } else {
             $httpCode = curl_getinfo($ch, CURLINFO_HTTP_CODE);

src/JPush/core/DevicePayload.php

@@ -211,7 +211,6 @@ public function getDevicesStatus($registrationId) {
         $response = $this->client->_request(DevicePayload::DEVICE_STATUS_URL, JPush::HTTP_POST, json_encode($payload));
         if($response['http_code'] === 200) {
             $body = array();
-            echo $response['body'];
             $body['data'] = (array)json_decode($response['body']);
             $headers = $response['headers'];
             if (is_array($headers)) {
@@ -253,4 +252,4 @@ private function __processResp($response) {
             throw new APIRequestException($response);
         }
     }
-}
+}