Modules can now unregister.

src/main/java/net/pingex/discordbot/AbstractModule.java

@@ -22,7 +22,14 @@ public abstract class AbstractModule
 		ModulesRegistry.register(this);
 		client.getDispatcher().registerListener(this);
 		logger = Logger.getLogger(this.getClass().getName());
-		logger.info("Loading module " + this.getClass().getName());
 		this.client = client;
 	}
+
+	/**
+	 * Disable this module.
+	 */
+	public void shutdown()
+	{
+		ModulesRegistry.unregister(this);
+	}
 }

src/main/java/net/pingex/discordbot/ModulesRegistry.java

@@ -1,6 +1,7 @@
 package net.pingex.discordbot;
 
 import java.util.ArrayList;
+import java.util.logging.Logger;
 
 /**
  * Class which keeps track of all known loaded modules
@@ -12,15 +13,31 @@ class ModulesRegistry
 	 */
 	private static ArrayList<AbstractModule> datastore = new ArrayList<>();
 
+	/**
+	 * Logger
+	 */
+	private static Logger LOGGER = Logger.getLogger(ModulesRegistry.class.getName());
+
 	/**
 	 * Action to register a loaded module
 	 * @param toRegister Module to register
 	 */
 	public static void register(AbstractModule toRegister)
 	{
+		LOGGER.info("Registering module " + toRegister.getClass().getName());
 		datastore.add(toRegister);
 	}
 
+	/**
+	 * Remove the target module from the list (if it crashed for example)
+	 * @param target Module to remove
+	 */
+	public static void unregister(AbstractModule target)
+	{
+		LOGGER.info("Unregistering module " + target.getClass().getName());
+		datastore.remove(target);
+	}
+
 	/**
 	 * Returns of the whole registry
 	 * @return A clone of the whole registry, to avoid damaging the original registry