Marr is almost working.

NzbDrone.Core/Datastore/Converters/BooleanIntConverter.cs

@@ -0,0 +1,52 @@
+using System;
+using Marr.Data.Converters;
+using Marr.Data.Mapping;
+
+namespace NzbDrone.Core.Datastore.Converters
+{
+    public class BooleanIntConverter : IConverter
+    {
+        public object FromDB(ColumnMap map, object dbValue)
+        {
+            if (dbValue == DBNull.Value)
+            {
+                return DBNull.Value;
+            }
+
+            var val = (Int64)dbValue;
+
+            switch (val)
+            {
+                case 1:
+                    return true;
+                case 0:
+                    return false;
+                default:
+                    throw new ConversionException(string.Format("The BooleanCharConverter could not convert the value '{0}' to a Boolean.", dbValue));
+            }
+        }
+
+        public object ToDB(object clrValue)
+        {
+            var val = (Nullable<bool>)clrValue;
+
+            switch (val)
+            {
+                case true:
+                    return 1;
+                case false:
+                    return 0;
+                default:
+                    return DBNull.Value;
+            }
+        }
+
+        public Type DbType
+        {
+            get
+            {
+                return typeof(int);
+            }
+        }
+    }
+}