Expose Socket Information

[zeroSteiner]

This updates the ServerClient class to expose some additional information like the peer host and port. This can be used by something like Metasploit to more easily identify the client connection.

[zeroSteiner]

Couple of examples of where this is needed:

• https://github.com/rapid7/metasploit-framework/blob/22c38dd69fcf9dbc99fb556c90a4cea5c1599f81/lib/msf/core/exploit/remote/smb/server.rb#L70
• https://github.com/rapid7/metasploit-framework/blob/22c38dd69fcf9dbc99fb556c90a4cea5c1599f81/lib/msf/core/exploit/remote/smb/server.rb#L91

[gwillcox-r7]

Code looks good but will likely need to address the issue mentioned above.