prevent unsign() from breaking on json cookie
prevent unsign() from breaking on json cookie

austincitylimits/connect,keenwon/connect,mi2oon/connect,brianloveswords/connect,khalerc/connect,gtomitsuka/connect,liuwei9413/connect,davehorton/drachtio,RoseTHERESA/connect,RickyDan/connect,qitianchan/connect,lian774739140/connect,llwanghong/connect,wghust/connect,khirayama/connect,chinazhaghai/connect,behind2/connect,senchalabs/connect,mi2oon/connect,dkfiresky/connect,tanveer12332/connect