diff --git a/AUTHORS.rst b/AUTHORS.rst
index 4ba404d5f..ac0ce5718 100644
--- a/AUTHORS.rst
+++ b/AUTHORS.rst
@@ -23,6 +23,7 @@ The following wonderful people contributed directly or indirectly to this projec
 - `Noam Meltzer <https://github.com/tsnoam>`_
 - `Oleg Shlyazhko <https://github.com/ollmer>`_
 - `Rahiel Kasim <https://github.com/rahiel>`_
+- `Shelomentsev D <https://github.com/shelomentsevd>`_
 - `sooyhwang <https://github.com/sooyhwang>`_
 - `wjt <https://github.com/wjt>`_
 
diff --git a/Makefile b/Makefile
index 304d284cb..ec6be9b15 100644
--- a/Makefile
+++ b/Makefile
@@ -12,6 +12,7 @@ clean:
 	find . -name '*.pyc' -exec rm -f {} \;
 	find . -name '*.pyo' -exec rm -f {} \;
 	find . -name '*~' -exec rm -f {} \;
+	find . -regex "./telegram.\(mp3\|mp4\|ogg\|png\|webp\)" -exec rm {} \;
 
 pep257:
 	$(PEP257) telegram
diff --git a/README.rst b/README.rst
index cc7dcebb2..3a79ad42c 100644
--- a/README.rst
+++ b/README.rst
@@ -36,7 +36,7 @@ A Python wrapper around the Telegram Bot API.
    :alt: Coveralls
 
 .. image:: https://img.shields.io/badge/Telegram-Group-blue.svg
-   :target: https://telegram.me/joinchat/ALnA-D1qVhg60vc-BgZYgA
+   :target: https://telegram.me/pythontelegrambotgroup
    :alt: Telegram Group
 
 =================
@@ -107,6 +107,7 @@ getUpdates                Yes
 getUserProfilePhotos      Yes
 getFile                   Yes
 setWebhook                Yes
+answerInlineQuery         Yes
 ========================= ============
 
 -------------------------
@@ -426,7 +427,7 @@ You may copy, distribute and modify the software provided that modifications are
 _`Contact`
 ==========
 
-Feel free to join to our `Telegram group <https://telegram.me/joinchat/ALnA-D1qVhg60vc-BgZYgA>`_.
+Feel free to join to our `Telegram group <https://telegram.me/pythontelegrambotgroup>`_.
 
 =======
 _`TODO`
diff --git a/telegram/ext/dispatcher.py b/telegram/ext/dispatcher.py
index a5be8c82d..a42087f39 100644
--- a/telegram/ext/dispatcher.py
+++ b/telegram/ext/dispatcher.py
@@ -23,7 +23,7 @@ import logging
 from functools import wraps
 from inspect import getargspec
 from threading import Thread, BoundedSemaphore, Lock, Event, current_thread
-from re import match
+from re import match, split
 from time import sleep
 
 from telegram import (TelegramError, Update, NullHandler)
@@ -548,7 +548,7 @@ class Dispatcher:
                 command
         """
 
-        command = update.message.text.split(' ')[0][1:].split('@')[0]
+        command = split('\W', update.message.text[1:])[0]
 
         if command in self.telegram_command_handlers:
             self.dispatchTo(self.telegram_command_handlers[command], update,
diff --git a/telegram/inputfile.py b/telegram/inputfile.py
index 8c90a0ad6..c2070b38b 100644
--- a/telegram/inputfile.py
+++ b/telegram/inputfile.py
@@ -81,7 +81,8 @@ class InputFile(object):
             self.input_file_content = self.input_file.read()
             if 'filename' in data:
                 self.filename = self.data.pop('filename')
-            elif isinstance(self.input_file, file):
+            elif isinstance(self.input_file, file) and \
+                    hasattr(self.input_file, 'name'):
                 self.filename = os.path.basename(self.input_file.name)
             elif from_url:
                 self.filename = os.path.basename(self.input_file.url)\
@@ -134,7 +135,7 @@ class InputFile(object):
             form_boundary,
             'Content-Disposition: form-data; name="%s"; filename="%s"' % (
                 self.input_name, self.filename
-                ),
+            ),
             'Content-Type: %s' % self.mimetype,
             '',
             self.input_file_content
diff --git a/telegram/message.py b/telegram/message.py
index bea037b1e..14541fcc8 100644
--- a/telegram/message.py
+++ b/telegram/message.py
@@ -56,6 +56,10 @@ class Message(TelegramObject):
         new_chat_photo (List[:class:`telegram.PhotoSize`]):
         delete_chat_photo (bool):
         group_chat_created (bool):
+        supergroup_chat_created (bool):
+        migrate_to_chat_id (int):
+        migrate_from_chat_id (int):
+        channel_chat_created (bool):
 
     Args:
         message_id (int):
@@ -84,6 +88,10 @@ class Message(TelegramObject):
         new_chat_photo (Optional[List[:class:`telegram.PhotoSize`]):
         delete_chat_photo (Optional[bool]):
         group_chat_created (Optional[bool]):
+        supergroup_chat_created (Optional[bool]):
+        migrate_to_chat_id (Optional[int]):
+        migrate_from_chat_id (Optional[int]):
+        channel_chat_created (Optional[bool]):
     """
 
     def __init__(self,