Universal-parser-tool

Changelog
- Disable opera webdrive. (causing issues when importing)
- Fix initparser __init__

Changelog
- Use argparse subcommand feature 21 (This breaks backward compatibility)
- Update quera domain ([quera.ir](https://quera.ir) to [quera.org](https://quera.org))
- Update selenium requirement

Changelog

- Quera: Update to new problemset format
- CF/AtCoder: Fix task regex
- Log the error message when the task is not detected

Changelog
- Fix getting class of html tag https://github.com/ParsaAlizadeh/universal-parser-tool/pull/17

Changelog

- codeforces: Use contest url instead of problemset in https://github.com/ParsaAlizadeh/universal-parser-tool/pull/16

Changelog
- Provide plugin functionality for external use