Plug System.Net

[valentinbreiz]

Todo:

• Plug Socket class
• Implement TcpClient using Socket class
• Implement UdpClient using Socket class
• Implement TcpListener using Socket class
• Plug TcpClient
• Plug UdpClient
• Plug TcpListener
• Plug IPAddress
• Plug IPEndPoint

Linked with:

• Add TcpListener class #1781
• Add Socket class #1782