See commit description

- Deprecated `sendMessage` and `sendEmoji` in favor of `send`
- (Almost) Fully integrated attachment support
- Updated tests
- General cleanup

docs/intro.rst

@@ -70,8 +70,8 @@ The same method can be applied to some user accounts, though if they've set a cu
 Here's an snippet showing the usage of thread IDs and thread types, where ``<user id>`` and ``<group id>``
 corresponds to the ID of a single user, and the ID of a group respectively::
 
-    client.sendMessage('<message>', thread_id='<user id>', thread_type=ThreadType.USER)
-    client.sendMessage('<message>', thread_id='<group id>', thread_type=ThreadType.GROUP)
+    client.send(Message(text='<message>'), thread_id='<user id>', thread_type=ThreadType.USER)
+    client.send(Message(text='<message>'), thread_id='<group id>', thread_type=ThreadType.GROUP)
 
 Some functions (e.g. :func:`Client.changeThreadColor`) don't require a thread type, so in these cases you just provide the thread ID::
 
@@ -91,7 +91,7 @@ Some of `fbchat`'s functions require these ID's, like :func:`Client.reactToMessa
 and some of then provide this ID, like :func:`Client.sendMessage`.
 This snippet shows how to send a message, and then use the returned ID to react to that message with a 😍 emoji::
 
-    message_id = client.sendMessage('message', thread_id=thread_id, thread_type=thread_type)
+    message_id = client.send(Message(text='message'), thread_id=thread_id, thread_type=thread_type)
     client.reactToMessage(message_id, MessageReaction.LOVE)
 
 
@@ -108,7 +108,7 @@ like adding users to and removing users from a group chat, logically only works
 The simplest way of using `fbchat` is to send a message.
 The following snippet will, as you've probably already figured out, send the message `test message` to your account::
 
-    message_id = client.sendMessage('test message', thread_id=client.uid, thread_type=ThreadType.USER)
+    message_id = client.send(Message(text='test message'), thread_id=client.uid, thread_type=ThreadType.USER)
 
 You can see a full example showing all the possible thread interactions with `fbchat` by going to :ref:`examples`
 
@@ -176,7 +176,7 @@ The event actions can be changed by subclassing the :class:`Client`, and then ov
 
     class CustomClient(Client):
         def onMessage(self, mid, author_id, message_object, thread_id, thread_type, ts, metadata, msg, **kwargs):
-            # Do something with the message_object here
+            # Do something with message_object here
             pass
 
     client = CustomClient('<email>', '<password>')
@@ -185,7 +185,7 @@ The event actions can be changed by subclassing the :class:`Client`, and then ov
 
     class CustomClient(Client):
         def onMessage(self, message_object, author_id, thread_id, thread_type, **kwargs):
-            # Do something with the message here
+            # Do something with message_object here
             pass
 
     client = CustomClient('<email>', '<password>')