Improvement for auto-reconnection

[gumyn]

https://github.com/yinqiwen/gsnova/blob/dc3c75a837abef882e77781d0dd7b309b9a77f5f/local/proxy.go#L158

for !channel.Init(true) {
	time.Sleep(1000)
}

Like this no more need to restart the whole go programm when error occurs on MUX sessions creation