Update Gitlab __init__ docstring

Gauvain Pocentek · Gauvain Pocentek · commit f3738854f0d0 · 2017-05-23T15:44:06.000+02:00
diff --git a/gitlab/__init__.py b/gitlab/__init__.py
@@ -65,6 +65,7 @@ class Gitlab(object):
         timeout (float): Timeout to use for requests to the GitLab server.
         http_username (str): Username for HTTP authentication
         http_password (str): Password for HTTP authentication
+        api_version (str): Gitlab API version to use (3 or 4)
     """
 
     def __init__(self, url, private_token=None, email=None, password=None,
