Any request longer than 3 months returns empty dataframe.

[AriNubar]

Hello, first of all thank you very much for this crawler.

If you try to fetch data with a time window that is longer than 3 months, the response will return an empty dataframe. This is due to Tefas API not allowing any such queries.

Maybe a check will make the code more robust, I am currently fetching data chunk by chunk.

Anyways thanks again.