Update README.md

Update version.

Change log:
- Support File type.
- New method getFile supported.

Update version.

Change log:
- Hotfix handler lambda bug.

Update version

Change log:
* send_message add parse_mode parameter support.
* Add get_updates method to telebot class.
* Remove time.sleep() from polling method. Use optional
* block parameter

Merge branch 'master' of github.com:eternnoir/pyTelegramBotAPI