Replaced Parser#_parseState with Parser#_tagSep instead
Replaced Parser#_parseState with Parser#_tagSep instead

Also removed Parser#_prevTagSep

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