Fixed a require in session for default MemoryStore
Fixed a require in session for default MemoryStore

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