Python-telegram-bot

- Adds type to ``User`` and ``GroupChat`` classes (pre-release Telegram feature)

**2015-09-24**

- Handles HTTP Bad Gateway (503) errors on request
- Fixes regression on ``Audio`` and ``Document`` for unicode fields

**2015-09-20**

- ``getFile`` and ``File.download`` is now fully supported

**2015-09-10**

- Moved ``Bot._requestURL`` to its own class (``telegram.utils.request``)
- Much better, such wow, Telegram Objects tests
- Add consistency for ``str`` properties on Telegram Objects
- Better design to test if ``chat_id`` is invalid
- Add ability to set custom filename on ``Bot.sendDocument(..,filename='')``
- Fix Sticker as ``InputFile``
- Send JSON requests over urlencoded post data
- Markdown support for ``Bot.sendMessage(..., parse_mode=ParseMode.MARKDOWN)``
- Refactor of ``TelegramError`` class (no more handling ``IOError`` or ``URLError``)

**2015-09-05**

- Fix regression on Telegram ReplyMarkup
- Add certificate to ``is_inputfile`` method

**2015-09-05**

- Fix regression on Telegram objects with thumb properties

**2015-09-04**