Document how to get connection state in the client (Fixes #799)

docs/api.rst

@@ -35,7 +35,7 @@ API Reference
 ``ConnectionRefusedError`` class
 --------------------------------
 
-.. autoclass:: ConnectionRefusedError
+.. autoclass:: socketio.exceptions.ConnectionRefusedError
    :members:
 
 ``WSGIApp`` class
@@ -128,7 +128,7 @@ API Reference
    :members:
 
 ``AsyncAioPikaManager`` class
----------------------------
+-----------------------------
 
 .. autoclass:: AsyncAioPikaManager
    :members:

src/socketio/client.py

@@ -148,8 +148,8 @@ class Client(object):
         self.socketio_path = None
         self.sid = None
 
-        self.connected = False
-        self.namespaces = {}
+        self.connected = False  #: Indicates if the client is connected or not.
+        self.namespaces = {}  #: set of connected namespaces.
         self.handlers = {}
         self.namespace_handlers = {}
         self.callbacks = {}