OWASP AntiSamy v1.0.1

First release version of the adaption of OWASP AntiSamy's Java version and huge refactor from the old C# version.

Main features:

• DOM scanner based on HtmlAgilityPack and AngleSharp.
• Customizable XML scan policies (with XML schema validation) that can be input as:
  • Raw string.
  • Stream object.
  • FileInfo object.
  • StreamReader object.
• Filtering with rules/actions to:
  • Remove tags.
  • Filter tags (remove but leave children tags).
  • Truncate tags (remove atributes and children tags).
  • Encode tags (HTML-encode the tag and move the children tags one level up).
  • Validate HTML attributes.
• JavaScript and CSS cleansing, from tags and attributes content.