Python-telegram-bot

Fix Commandhandler crashing on single character messages (PR 873)

- MessgaeHandler & RegexHandler now consider channel_updates.
- Fix command not recognized if it is directly followed by a newline (PR 869 ).
- Removed Bot._message_wrapper (PR 822).
- Unitests are now also running on Appveyor (Windows VM).
- Various unitest improvments.
- Documentation fixes.

New features
- Fully support Bot Api 3.3 (PR 806).
- DispatcherHandlerStop (see docs).
- Regression fix for text_html & text_markdown (PR 777).
- Added effective_attachment to message (PR 766).

Non backward compatible changes
- Removed Botan support from the library (PR 776).
- Fully support Bot Api 3.3 (PR 806).
- Remove de_json() (PR 789).

Changes
- Sane defaults for tcp socket options on linux (PR 754).
- Add RESTRICTED as constant to ChatMember (PR 761).
- Add rich comparison to CallbackQuery (PR 764).
- Fix get_game_high_scores (PR 771).
- Warn on small con_pool_size during custom initalization of Updater (PR 793).
- Catch exceptions in error handlerfor errors that happen during polling (PR 810).
- For testing we switched to pytest (PR 788).
- Lot's of small improvements to our tests and documentation.

- Fix TypeError exception in RegexHandler (PR 751).
- Small documentation fix (PR 749).

- Fully support Bot API 3.2.
- New filters for handling messages from specific chat/user id (PR 677).
- Add the possibility to add objects as arguments to send_* methods (PR 742).
- Fixed download of URLs with UTF-8 chars in path (PR 688).
- Fixed URL parsing for ``Message`` text properties (PR 689).
- Fixed args dispatching in ``MessageQueue``'s decorator (PR 705).
- Fixed regression preventing IPv6 only hosts from connnecting to Telegram servers (Issue 720).
- ConvesationHandler - check if a user exist before using it (PR 699).
- Removed deprecated ``telegram.Emoji``.
- Removed deprecated ``Botan`` import from ``utils`` (``Botan`` is still available through ``contrib``).
- Removed deprecated ``ReplyKeyboardHide``.
- Removed deprecated ``edit_message`` argument of ``bot.set_game_score``.
- Internal restructure of files.
- Improved documentation.
- Improved unitests.

- Fully support Bot API 3.0
- Add more fine-grained filters for status updates
- Bug fixes and other improvements