Merge pull request #531 from Luoxin/v3

add `is_premium` in `User`

Merge pull request #532 from codemorego/v3-do-cancel-poll-on-bot-stop-immediately

do cancel poll immediately on bot stop

Merge pull request #535 from nicolasassi/remove-still-field-from-chat

Remove `still` field from `chat`

Merge pull request #507 from Qusic/patch-2

Fix #481: nil pointer dereference when sending video file as Document

remove still field from chat

Merge pull request #520 from star-39/v3

Treat Sticker as Media

Merge pull request #533 from beshenkaD/v3-DeleteCommands

bot: fix DeleteCommands

bot: fix DeleteCommands

Check bot.stopClient is not nil when closing it, could happen if Stop called before or without Start.

Make Bot.debug to be aware of Bot.verbose flag to be less spammy
especially with sensible error messages during polling failures which
contains bot's token.

Cancel Raw() call immediately without waiting for the request's timeout when bot is about to stop.
This may become important if doing long polling with long timeout.

is_premium

send video as document

Merge pull request #528 from Xarakiri/v3-fix-typo

fix: typo

fix: typo

Treat Sticker as Media

Merge pull request #498 from hararudoka/patch-1

fix a typo in layout.go

fix a typo in layout.go

README: getting rid of past import path artifacts

readme: fix Group example