• Moved all of preInsertionValidity to ParentNode; removed
AbstractDocument
• Added host property to HTMLTemplateElement
• Increased required PHP version to 7.4
• Added exceptions for disabled inherited DOMDocument methods that don't make sense in an HTML5 library.
• Moved the inherited methods from the Printing trait to Document as DocumentFragment and Element don't inherit anything to print.
• Moved the ancestor and descendant methods into their own traits along with the compare method which they share.
• Made DocumentFragment use only the descendant methods and not the ancestor ones.
• Fixed error in README.
• Added an option to use Document::loadHTML or Document::load to parse a document.
• Made the DOM elements use dW\HTML5 namespace instead of dW\HTML5\DOM.
• Fixed where TreeBuilder wasn't being properly destructed when the parser is finished.
