Inspired by node-expat. Will implement the missing ones.
#parse(xml)string or buffer#on('startDocument', function () {})#on('endDocument', function () {}): you can also useend,finishordone.#on('startElement' function (name, attrs) {})#on('endElement' function (name) {})#on('startAttribute' function (attr) {})#on('endAttribute' function () {})#on('text' function (text) {})#on('processingInstruction', function ({target, instruction}) {})#on('comment', function (comment) {})#on('xmlDecl', function ({version, encoding, standalone}) {})#on('cdata', function (cdata) {})#on('entityDecl', function (entityName, isParameterEntity, value, base, systemId, publicId, notationName) {})to be implemented#on('error', function ({code, offset}) {})