* Bot API 3.3
* simpler helper methods (accept only custom names now)
attempt to fix circular import (not sure if its the correct way tho)
added helper methods into User object
* fix User objects in tests to contain is_bot required value
* fix User objects in tests to contain is_bot required value
* delete extra line that caused flake8 error
* fix swapped arguments
- Added all the new and shiny features from API 3.1.
- Not API 3.1 changes:
- Use future.utils.string_types for string isinstance checks.
- Stall between retries of test_set_webhook_get_webhook_info() &
test_delete_webhook().
* Added methods to generate the original markdown/html formatted string from the entities contained in an update
* Added
* Moved the html/markdown parsing methods to `Message`
* Moved extract_* methods from helpers to the appropriate location
* Refactored text_markdown and text_html
* Refactored text_markdown and text_html for efficiency
* Fixed method call in conversationhandler
* Fixed method call in handler
* Fixed `make test` command on windows systems
* Improved method documentation
* initial commit for user_data
* add chat_data and use defaultdict
* fix chat_data copy-paste error
* add test for user_data and chat_data
* fix case where chat is None
* remove braces from import line
