diff --git a/README.rst b/README.rst
index b318956..cda24a4 100644
--- a/README.rst
+++ b/README.rst
@@ -21,6 +21,8 @@ Example
         print(error)
     else:
         print(reply)
+    finally:
+        cb.close()
 
 Installing
 ----------
@@ -49,7 +51,7 @@ Python 3.4.2+.
 
     pip install cleverbot.py[async]
 
-This is not required if you already have aiohttp.
+This is not required if you already have aiohttp 1.0.0 or later.
 
 **Requirements:**
 
@@ -58,13 +60,13 @@ This is not required if you already have aiohttp.
 
 **Dependencies:**
 
-- Requests 1.0.0+
-- aiohttp 1.0.0+ (Optional, for asynchronous support.)
+- requests 1.0.0+
+- aiohttp 1.0.0+ (Optional, for asynchronous support)
 
 Usage
 -----
 
-First import the module:
+First import the package:
 
 .. code:: py
 
@@ -115,7 +117,7 @@ can take significantly longer.
 
 --------------
 
-If something goes wrong with the request, such as an invalid API key an
+If something goes wrong with the request, such as an invalid API key, an
 ``APIError`` will be raised containing the error message or, if you've defined
 a timeout and you don't get a reply within the defined amount of seconds you'll
 get a ``Timeout``.
@@ -148,22 +150,21 @@ Print out all of the data Cleverbot gained from the previous conversation:
 
     print(cb.data)
 
-To access them you can either use them like an attribute or directly get them
-from ``cb.data``.
+Take note of the ``cs`` key as we'll use it to save the conversation in the
+next section.
 
-For example:
+To access the data you can either get them from an attribute or directly get
+them from ``cb.data``:
 
 .. code:: py
 
-    cb.output
+    cb.output == cb.data['output']
 
-    cb.data['output']
-
-Take note of the ``cs`` key as we'll use it to save the conversation in the
-next section.
+However modifying the data with an attribute is only applicable to the
+cleverbot state.
 
 To get a list of all of the keys' descriptions either take a look at the
-``_query`` method's docstring in cleverbot.py or go to the JSON Reply section
+``_query`` method's docstring in cleverbot.py or go to the 'JSON Reply' section
 in `the official Cleverbot API docs <https://www.cleverbot.com/api/howto/>`_.
 
 --------------
@@ -200,13 +201,11 @@ Or by setting it when creating a new Cleverbot instance:
 
 --------------
 
-If you wish to use ``cleverbot`` as a variable name you can do one of the
-following:
+When you're all done, close Cleverbot's connection to the API:
 
 .. code:: py
 
-    import cleverbot as some_other_name
-
-.. code:: py
+    cb.close()
 
-    from cleverbot import *
+This should only be done when you're not going to use the current instance of
+Cleverbot anymore.
diff --git a/cleverbot/__init__.py b/cleverbot/__init__.py
index b3205df..756207f 100644
--- a/cleverbot/__init__.py
+++ b/cleverbot/__init__.py
@@ -1,4 +1,5 @@
-__version__ = '1.2.2'
+__all__ = ['Cleverbot', 'CleverbotError', 'APIError', 'DecodeError', 'Timeout']
+__version__ = '1.3.0'
 
 from .cleverbot import Cleverbot
 from .errors import CleverbotError, APIError, DecodeError, Timeout
diff --git a/cleverbot/_async.py b/cleverbot/_async.py
index 92c77c3..37e0977 100644
--- a/cleverbot/_async.py
+++ b/cleverbot/_async.py
@@ -1,8 +1,37 @@
 import asyncio
+
 import aiohttp
+import requests
+
+from . import __version__
 from .errors import APIError, DecodeError, Timeout
 
 
+def __init__(self, key, **kwargs):
+    """Initialize Cleverbot with the given arguments.
+
+    Arguments:
+        key: The key argument is always required. It is your API key.
+        cs: The cs argument stands for "cleverbot state". It is the encoded
+            state of the conversation so far and includes the whole
+            conversation history up to that point.
+        timeout: How many seconds to wait for the API to send data before
+            giving up and raising an error.
+        loop: The event loop used for asay.
+        **kwargs: Keyword arguments to pass into requests.Session.get and
+            aiohttp.ClientSession.get
+    """
+    self.session = requests.Session()
+    loop = kwargs.pop('loop', asyncio.get_event_loop())
+    self.asession = aiohttp.ClientSession(loop=loop)
+    self.key = key
+    self.data = {}
+    if 'cs' in kwargs:
+        self.data['cs'] = kwargs.pop('cs')
+    self.timeout = kwargs.pop('timeout', None)
+    self.kwargs = kwargs
+
+
 @asyncio.coroutine
 def asay(self, text, **vtext):
     """Talk to Cleverbot asynchronously.
@@ -41,9 +70,15 @@ def asay(self, text, **vtext):
     return (yield from self._aquery(params))
 
 
+def close(self):
+    """Close the connections to the API."""
+    self.session.close()
+    self.asession.close()
+
+
 @asyncio.coroutine
 def _aquery(self, params):
-    """Get Cleverbot's reply and store it in a dictionary.
+    """Get Cleverbot's reply and store the data in a dictionary.
 
     Keys:
         cs: State of the conversation so far, which contains an encoded copy of
@@ -67,10 +102,14 @@ def _aquery(self, params):
             that if an interaction didn't occur, the interaction_other will not
             be defined.
     """
-    session = aiohttp.ClientSession(loop=self.loop)
+    headers = {
+        'User-Agent': 'cleverbot.py/' + __version__ + ' '
+        '(+https://github.com/orlnub123/cleverbot.py)'
+    }
     try:
-        reply = yield from session.get(
-            self.url, params=params, timeout=self.timeout, **self.kwargs)
+        reply = yield from self.asession.get(
+            self.url, params=params, headers=headers, timeout=self.timeout,
+            **self.kwargs)
     except asyncio.TimeoutError:
         raise Timeout(self.timeout)
     else:
@@ -84,5 +123,3 @@ def _aquery(self, params):
                 return data['output']
             else:
                 raise APIError(data['error'], data['status'])
-    finally:
-        session.close()
diff --git a/cleverbot/cleverbot.py b/cleverbot/cleverbot.py
index 1c6f5a4..3b72076 100644
--- a/cleverbot/cleverbot.py
+++ b/cleverbot/cleverbot.py
@@ -1,6 +1,8 @@
 __all__ = ['Cleverbot']
 
 import requests
+
+from . import __version__
 from .errors import CleverbotError, APIError, DecodeError, Timeout
 
 
@@ -19,24 +21,32 @@ def __init__(self, key, **kwargs):
                 conversation history up to that point.
             timeout: How many seconds to wait for the API to send data before
                 giving up and raising an error.
-            loop: The event loop used for asay.
-            **kwargs: Keyword arguments to pass into requests.get
+            **kwargs: Keyword arguments to pass into requests.Session.get
         """
+        self.session = requests.Session()
         self.key = key
         self.data = {}
         if 'cs' in kwargs:
             self.data['cs'] = kwargs.pop('cs')
         self.timeout = kwargs.pop('timeout', None)
-        self.loop = kwargs.pop('loop', None)
         self.kwargs = kwargs
 
-    def __getattr__(self, attr):
+    def __getattribute__(self, attr):
         """Allow access to the stored data through attributes."""
         try:
-            return self.data[attr]
-        except KeyError as error:
-            pass
-        object.__getattribute__(self, attr)
+            return super(Cleverbot, self).__getattribute__(attr)
+        except AttributeError as error:
+            try:
+                return super(Cleverbot, self).__getattribute__('data')[attr]
+            except KeyError:
+                raise error
+
+    def __setattr__(self, attr, value):
+        """Allow modifying the cleverbot state with an attribute."""
+        if attr == 'cs':
+            self.data['cs'] = value
+        else:
+            super(Cleverbot, self).__setattr__(attr, value)
 
     def say(self, text, **vtext):
         """Talk to Cleverbot.
@@ -77,15 +87,19 @@ def say(self, text, **vtext):
         return self._query(params)
 
     def asay(self, *args, **kwargs):
-        """Look in _async.py for the actual function."""
+        """Look in _async.py for the actual method."""
         raise CleverbotError("asay requires aiohttp and Python 3.4.2+")
 
     def reset(self):
         """Reset all of Cleverbot's stored data."""
         self.data = {}
 
+    def close(self):
+        """Close the connection to the API."""
+        self.session.close()
+
     def _query(self, params):
-        """Get Cleverbot's reply and store it in a dictionary.
+        """Get Cleverbot's reply and store the data in a dictionary.
 
         Keys:
             cs: State of the conversation so far, which contains an encoded
@@ -113,9 +127,13 @@ def _query(self, params):
                 Note that if an interaction didn't occur, the interaction_other
                 will not be defined.
         """
+        headers = {
+            'User-Agent': 'cleverbot.py/' + __version__ + ' '
+            '(+https://github.com/orlnub123/cleverbot.py)'
+        }
         try:
-            reply = requests.get(
-                self.url, params=params, timeout=self.timeout, **self.kwargs)
+            reply = self.session.get(self.url, params=params, headers=headers,
+                                     timeout=self.timeout, **self.kwargs)
         except requests.Timeout:
             raise Timeout(self.timeout)
         else:
@@ -131,6 +149,6 @@ def _query(self, params):
                     raise APIError(data['error'], data['status'])
 
     try:
-        from ._async import asay, _aquery
+        from ._async import __init__, asay, close, _aquery
     except (ImportError, SyntaxError):
         pass