Merge branch 'master' into list_objects_can_filter_by_tags

docs/API.md

@@ -17,6 +17,7 @@ __Parameters__
 | `region` | _str_ | (Optional) Region name of buckets in S3 service. |
 | `http_client` | _urllib3.poolmanager.PoolManager_ | (Optional) Customized HTTP client. |
 | `credentials` | _minio.credentials.Provider_ | (Optional) Credentials provider of your account in S3 service. |
+| `cert_check` | _bool_ | (Optional) Flag to check on server certificate for HTTPS connection. |
 
 
 **NOTE on concurrent usage:** `Minio` object is thread safe when using the Python `threading` library. Specifically, it is **NOT** safe to share it between multiple processes, for example when using `multiprocessing.Pool`. The solution is simply to create a new `Minio` object in each process, and not share it between processes.