dompurify 2.0.8

Fixed a bypass that can be abused in case SAFE_FOR_JQUERY is used with jQuery 3.x, thanks @masatokinugawa :bowing_woman:
Added new elements to whitelist, thanks @chris-morgan
Added first layer of prototype poisoning protection, thanks @dejang
Added better controls for uponSanitizeAttribute, thanks @devinrhode2
Added demo for node removal, thanks @mikesnare