Another registration overhaul

Plugins/UEWingman/Source/UEWingman/Handlers/Variables_Modify.h

@@ -33,12 +33,12 @@ public:
 	UPROPERTY(meta=(Optional, Description="Local variables, one per line"))
 	FString LocalVariables;
 
-	virtual FString GetDescription() const override
+	virtual void Register() override
 	{
-		return TEXT("Modify variables of a blueprint, function graph, "
-				"macro graph, event dispatcher graph, or custom event node. ");
+		UWingServer::AddHandler(this,
+			TEXT("Modify variables of a blueprint, function graph, "
+			"macro graph, event dispatcher graph, or custom event node. "));
 	}
-
 	virtual void Handle() override
 	{
 		WingFetcher F;