Use sinatra.run instead of WEBrick.run
Use sinatra.run instead of WEBrick.run

Solve 2 major problems:
is able specify host and port by rackup
traps signals like ^C (SIGINT)

nadazero/wecheat,xixilive/wecheat,Aireed/wecheat,xixilive/wecheat,Aireed/wecheat,nadazero/wecheat,Aireed/wecheat,nadazero/wecheat,xixilive/wecheat