Scheduled weekly dependency update for week 46

* Implement _get_operation_filter and use filter operations in history and history_reverse on the https://api.hive.blog api node

* Adapt account history on api changes and fixes issue #267
* Speed up history call, when limit is below 1000
* Improve unit tests for account history

Scheduled weekly dependency update for week 44

* Fixed a bug when using skip_account_check=True
* Refactor code in Account
* Add more unit tests

Bump cryptography from 3.1.1 to 3.2

Bumps [cryptography](https://github.com/pyca/cryptography) from 3.1.1 to 3.2.
- [Release notes](https://github.com/pyca/cryptography/releases)
- [Changelog](https://github.com/pyca/cryptography/blob/master/CHANGELOG.rst)
- [Commits](https://github.com/pyca/cryptography/compare/3.1.1...3.2

)

Signed-off-by: dependabot[bot] <support@github.com>

* Add option add_tor to config storage, which allows it to use beempy in tails
* Remove Events requirements, beem.notify and beemapi.websocket, as it is not well tested and there are no websocket api nodes available on hive
* Remove unnecessary requirements (pylibscrypt and future)