Python-telegram-bot

- Add support for ``User.language_code``
- Fix ``Message.text_html`` and ``Message.text_markdown`` for messages with emoji

**2017-05-19**

- Add support for Bot API 2.3.1
- Add support for ``deleteMessage`` API method
- New, simpler API for ``JobQueue`` - :pr:`484`
- Download files into file-like objects - :pr:`459`
- Use vendor ``urllib3`` to address issues with timeouts
- The default timeout for messages is now 5 seconds. For sending media, the default timeout is now 20 seconds.
- String attributes that are not set are now ``None`` by default, instead of empty strings
- Add ``text_markdown`` and ``text_html`` properties to ``Message`` - :pr:`507`
- Add support for Socks5 proxy - :pr:`518`
- Add support for filters in ``CommandHandler`` - :pr:`536`
- Add the ability to invert (not) filters - :pr:`552`
- Add ``Filters.group`` and ``Filters.private``
- Compatibility with GAE via ``urllib3.contrib`` package - :pr:`583`
- Add equality rich comparision operators to telegram objects - :pr:`604`
- Several bugfixes and other improvements
- Remove some deprecated code

**2017-04-17**

- Hotfix release due to bug introduced by urllib3 version 1.21

**2016-12-11**

- Implement API changes of November 21st (Bot API 2.3)
- ``JobQueue`` now supports ``datetime.timedelta`` in addition to seconds
- ``JobQueue`` now supports running jobs only on certain days
- New ``Filters.reply`` filter
- Bugfix for ``Message.edit_reply_markup``
- Other bugfixes

**2016-10-25**

- Implement API changes of October 3rd (games update)
- Add ``Message.edit_*`` methods
- Filters for the ``MessageHandler`` can now be combined using bitwise operators (``& and |``)
- Add a way to save user- and chat-related data temporarily
- Other bugfixes and improvements

**2016-09-24**

- Drop Python 2.6 support
- Deprecate ``telegram.Emoji``

- Use ``ujson`` if available
- Add instance methods to ``Message``, ``Chat``, ``User``, ``InlineQuery`` and ``CallbackQuery``
- RegEx filtering for ``CallbackQueryHandler`` and ``InlineQueryHandler``
- New ``MessageHandler`` filters: ``forwarded`` and ``entity``
- Add ``Message.get_entity`` to correctly handle UTF-16 codepoints and ``MessageEntity`` offsets
- Fix bug in ``ConversationHandler`` when first handler ends the conversation
- Allow multiple ``Dispatcher`` instances
- Add ``ChatMigrated`` Exception
- Properly split and handle arguments in ``CommandHandler``

**2016-07-15**