Adding functionality to get the IP address of the remote host and then using it in...

Adding functionality to get the IP address of the remote host and then using it in the title

* Source/DebuggerConnection.m|h: Added a _connected ivar to check and see whether or not the connection has been established
([DebuggerConnection remoteHost]): New function that returns the name of the remote host
* Source/DebuggerConnection.m:
([DebuggerConnection initWithPort:]): Do not set the window title anymore
([DebuggerConnection setStatus:]): Set the window title upon status updates
* Source/SocketWrapper.m|h:
([SocketWrapper remoteHost]): New method that gets the remote host's IP address