UnknownCommandReply

- Added new message type

source/davinci/c2s/generic.d

@@ -0,0 +1,29 @@
+module davinci.c2s.generic;
+
+import davinci.base : Command;
+
+public final class UnknownCommandReply
+{
+    private string offendingCommand;
+
+    this()
+    {
+
+    }
+
+    this(string offending)
+    {
+        setOffending(offending);
+    }
+
+    public UnknownCommandReply setOffending(string offending)
+    {
+        this.offendingCommand = offending;
+        return this;
+    }
+
+    public string getOffending()
+    {
+        return this.offendingCommand;
+    }
+}