v1.1.0

Expose KillerSubscriber & SubscribeWithKiller function to allow graceful stop of an app when the following signals are triggered:

• os.Kill
• os.Interrupt
• syscall.SIGHUP
• syscall.SIGTERM
• syscall.SIGQUIT
• syscall.SIGSTOP

also allow killing an app after a second stop signal is triggered (ex: 2x ctr+c)

v1.0.0

Expose Subscribe function to allow users to react to os.signal