Added use command to CommandListener

src/main/java/org/bitbiome/commands/CommandListener.java

@@ -14,6 +14,8 @@ public class CommandListener {
 
         commands.put("exit", new QuitCommand());
         commands.put("quit", new QuitCommand());
+
+        commands.put("use", new UseCommand());
     }
 
     public HashMap<String, CommandAPI> returnCommands() {