Update pyquery to 1.4.1

[pyup-bot]

This PR updates pyquery from 1.4.0 to 1.4.1.

Changelog

1.4.1

------------------

- This is the latest release with py2 support

- Remove py33, py34 support

- web scraping improvements: default timeout and session support

- Add API methods to serialize form-related elements according to spec

- Include HTML markup when querying textarea text/value

Links

• PyPI: https://pypi.org/project/pyquery
• Changelog: https://pyup.io/changelogs/pyquery/
• Repo: https://github.com/gawel/pyquery
• Docs: https://pythonhosted.org/pyquery/

[pyup-bot]

Closing this in favor of #120