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- Enhanced stability and performance.
- Added thread support and bulk domain scanning functionalities utilizing `-t/--threads` and `-l/--list` options.
- Removed redundant `type="text/css"` attribute requirement for link elements.
- Improved capturing of CSS in page comments.
- Updated JSON vulnerability code to: `PTV-WEB-INJECT-PRSSIREL` / `PTV-WEB-INJECT-PRSSIABS`
- Optimized for ptlibs 1.0.7+.
- Bumped min. required Python version to 3.9+
- Improved README.md.