fix error: change index to 0 in get_query.

v.0.8.2

v.0.8.1: remove debugging statements from /list_models command.

v.0.8.0:

- add current model indication in list_models command.
- fix error in /help command.

add support for multiple administrators.

This adds the feature in #9 and closes it.

help command, reply to user when streaming is disabled.

fix bug: spelling error.

fix bug: spelling error.

Rationai-Telegram-Bot 0.5.0; add option for non-streaming/streaming

Rationai-Telegram-Bot 0.4.2; fix bug: error typo