Update TcpContract with Backward compatablilty

[amigin]

Now we have:
https://gist.github.com/amigin/7a5fdf388b1213fbcd9405cf3f996e1f></script>

We have to rename DeleteOnDisconnect to the state that we use:

0: Permament
1: Auto-Delete;
2: PermamentWithSingleConnect