Follow-up to previous commit

Core/DB/conditions/EmptyCondition.cs

@@ -0,0 +1,9 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+
+namespace FLocal.Core.DB.conditions {
+	public class EmptyCondition : AbstractCondition {
+	}
+}

Core/DB/conditions/NotEmptyCondition.cs

@@ -0,0 +1,9 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+
+namespace FLocal.Core.DB.conditions {
+	public abstract class NotEmptyCondition : AbstractCondition {
+	}
+}