Channel created
Released 0.15.0 Added `onText` function
Released 0.16.0:
JSON stringify reply_markup if not string
Released 0.17.0
Allow 0ms as polling interval.
Default timeout 10 seconds.
Released 0.17.0
Handle request timeout. 
Catch errors while parsing JSON
Released 0.18.0
sendPhoto, sendAudio, sendDocument, sendSticker and sendVoice can receive a Buffer as parameter.
Released 0.19.0
Inline Mode support.
sendVideo can receive a Buffer as parameter.
By default bots sends GIF as new mpeg4 format. To view new "GIFs" update your client.
Almost forgot. Thanks @crisbal for his Inline Mode contribution!