Results 3 issues of Rafael Gale

Removed owlgram support since it doesnt work as it has xposed detector, just like Nekogram ![Captura de pantalla 2022-07-09 204744](https://user-images.githubusercontent.com/32096750/178119185-9baed19a-2a01-42ed-8255-1ece7108cd54.png)

Fixed typo in CHANGES.md on line 284 where 'ot' was corrected to 'to'.

This PR fixes minor typos and a grammar issue in the README: - "request is send" -> "request is sent" - "anohter-bucket" -> "another-bucket" - "Number of retries are adjustable"...