Refactor client and adding some validations on verification

Refactor and is_valid on documents (#76)

* Refactor and is_valid on documents

* version

* fix validation in residency

* some fixes

* fix invalid parameter

* fix errors and gov_id type

* adding fullname and address

* fix govt instaed of gov

* version

* adding test

* fix mypy and lint

* adding coverage test

* format

* coverage

* some coverage

* fix computed when is in process

* fix fields

* empty string

* better typehints

* tests and coverage

* fix cov

* fix annotation

* version

* fix cassettes

Co-authored-by: Yisus <[email protected]>