Added some basic IPC functionality using wxServer, wxClient and wxConnection.

Added the -blockamount command line option for an example of usage.

ipc.h

@@ -0,0 +1,28 @@
+#ifndef _IPC_H
+#define	_IPC_H
+
+class CServer : public wxServer {
+public:
+    wxConnectionBase * OnAcceptConnection (const wxString &topic);
+};
+
+class CClient : public wxClient {
+public:
+    wxConnectionBase * OnMakeConnection ();
+};
+
+class CServerConnection : public wxConnection {
+public:
+    const void * OnRequest (const wxString &topic, const wxString &item, size_t *size, wxIPCFormat format);
+};
+
+class CClientConnection : public wxConnection {
+public:
+    CClientConnection() : wxConnection() {}
+    ~CClientConnection() {}
+    
+    bool OnAdvise (const wxString &topic, const wxString &item, const void *data, size_t size, wxIPCFormat format);
+};
+
+#endif	/* _IPC_H */
+