chore(package): update @types/node to version 7.0.18 (#496)
chore(package): update @types/node to version 7.0.18 (#496)

Closes #485
Chatie/wechaty,mukaiu/wechaty,binsee/wechaty,Chatie/wechaty,zixia/wechaty,lijiarui/wechaty,zixia/wechaty,mukaiu/wechaty,lijiarui/wechaty,wechaty/wechaty,binsee/wechaty,Chatie/wechaty,binsee/wechaty,mukaiu/wechaty,wechaty/wechaty,wechaty/wechaty