Rename handmade Message class to TLMessage to avoid confusion

telethon/tl/__init__.py

@@ -1,5 +1,5 @@
 from .tlobject import TLObject
 from .session import Session
 from .gzip_packed import GzipPacked
-from .message import Message
+from .tl_message import TLMessage
 from .message_container import MessageContainer

telethon/tl/tl_message.py

@@ -3,7 +3,7 @@ import struct
 from . import TLObject, GzipPacked
 
 
-class Message(TLObject):
+class TLMessage(TLObject):
     """https://core.telegram.org/mtproto/service_messages#simple-container"""
     def __init__(self, session, request):
         super().__init__()