Oxdork

What's Changed
* Will now accept queries from a text file as requested in issue 2
* Dev improvements by rly0nheart in pull 3
* Update oxdork.py by rly0nheart in pull 4

New Contributors
* rly0nheart made their first contribution in pull 3

**Full Changelog**: https://github.com/rly0nheart/oxdork/compare/3.0.0...3.1.0

- [x] Switched versioning scheme to [Semantic Versioning](https://www.semver.org)
- [x] Refactored code for [PyPI](https://pypi.org)
- [x] Will automatically check for updates on startup
- [x] Will easily update with `pip install --upgrade oxdork` command
- [x] Optimized code