Rewrote DCC server to allow for multiple threads, also added DCC recv.

(DCC recv still broken, threading buggy)

stepmania/src/smlobby/socket.h

@@ -33,6 +33,7 @@ class InetAddr : public IPaddress
 {
 public :
 	InetAddr(short wPort = 0);
+	InetAddr(long dwIP, short wPort);
 	InetAddr(const char* lpszAddress, short wPort = 0);
 	InetAddr& operator = (char* lpszAddress);