Corrected bug submitted by KeatonY, thanks.

node-poker.js
line 664

two pair check bug

if(ranks.indexOf('66') > -1 && ranks.indexOf('55') > -1 && rank == 0){rank = 28 + RankKickers(ranks.replace('66','').replace('22',''),1);};

-->

if(ranks.indexOf('66') > -1 && ranks.indexOf('22') > -1 && rank == 0){rank = 28 + RankKickers(ranks.replace('66','').replace('22',''),1);};