chore(package): update sinon to version 2.2.0 (#464)
chore(package): update sinon to version 2.2.0 (#464)

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wechaty/wechaty,binsee/wechaty,mukaiu/wechaty,zixia/wechaty,Chatie/wechaty,binsee/wechaty,wechaty/wechaty,Chatie/wechaty,mukaiu/wechaty,lijiarui/wechaty,lijiarui/wechaty,mukaiu/wechaty,wechaty/wechaty,zixia/wechaty,Chatie/wechaty,binsee/wechaty