[tokenizer] added _getSection, completely inlined _emitIfToken, partly inlined _emitToken
[tokenizer] added _getSection, completely inlined _emitIfToken, partly inlined _emitToken

broadly/htmlparser2,frontapp/htmlparser2,jasonsanjose/htmlparser2,frontapp/htmlparser2,kirbysayshi/node-htmlparser,magicode/htmlparser2,magicode/htmlparser2,broadly/htmlparser2,fasterize/node-htmlparser,mail-apps/htmlparser2,mail-apps/htmlparser2,jasonsanjose/htmlparser2