October, 3 update - other changes

[klappvisor]

https://core.telegram.org/bots/api-changelog

• [x] New method getWebhookInfo to check current webhook status.
• [x] Use the new url parameter in answerCallbackQuery to create buttons that open your bot with user-specific parameters.
• [x] Added new field switch_inline_query_current_chat in InlineKeyboardButton.
• [x] Added caption fields to sendAudio, sendVoice, InlineQueryResultAudio, InlineQueryResultVoice, InlineQueryResultCachedAudio, and InlineQueryResultCachedVoice.
• [x] New field all_members_are_admins in the Chat object.
• [x] Certain server responses may now contain the new parameters field with expanded info on errors that occurred while processing your requests.