Update description for deletePollOption method

Improve CallFullId variable names.

Improve MessageFullId variable names.

Improve names in get_messages_from_server.

Fixes upstream bug #3604 in NetQueryDispatcher

Update version to 1.8.63.

Add td_api::pushMessageContentPollOptionAdded.

Expect reply in telegram_api::messageActionRequestedPeer.

Expect reply in service messages about poll option changes.

Don't store duplicate MinChannels.

Fix storing of min-channels for poll options.

Fix TLS-init.

Don't adjust vote count if it is unavailable.

Improve update name.

Don't shuffle poll answers for bots.