Socket-tcp/udp tool

Socket is a simple tool for developers to test tcp/udp clients.

For TCP:
1. create multiple socket clients;
2. connect and then send binary/hex data and show replies if there is;
3. save your sockets locally;

For UDP:
1. create multiple udp clients;
2. send binary/hex data and show replies if there is;
3. save your sockets locally;