Bump version to v4.3

Author: jh0ker

CHANGES.rst

@@ -1,3 +1,11 @@
+**2016-06-28**
+
+*Released 4.3*
+
+- Use ``urllib3.PoolManager`` for connection re-use
+- Rewrite ``run_async`` decorator to re-use threads
+- New requirements: ``urllib3`` and ``certifi``
+
 **2016-06-10**
 
 *Released 4.2.1*

telegram/__init__.py

@@ -82,7 +82,7 @@
 from .bot import Bot
 
 __author__ = '[email protected]'
-__version__ = '4.2.1'
+__version__ = '4.3'
 __all__ = ['Audio', 'Bot', 'Chat', 'ChatMember', 'ChatAction', 'ChosenInlineResult',
            'CallbackQuery', 'Contact', 'Document', 'Emoji', 'File', 'ForceReply',
            'InlineKeyboardButton', 'InlineKeyboardMarkup', 'InlineQuery', 'InlineQueryResult',