Implemented MemoryStore#destroy()
Implemented MemoryStore#destroy()

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