Initial split of the modules

NadekoBot.Core/Migrations/20170911200031_lastXpGain.cs

@@ -0,0 +1,27 @@
+using System;
+using System.Collections.Generic;
+using Microsoft.EntityFrameworkCore.Migrations;
+
+namespace NadekoBot.Migrations
+{
+    public partial class lastXpGain : Migration
+    {
+        protected override void Up(MigrationBuilder migrationBuilder)
+        {
+            migrationBuilder.AddColumn<DateTime>(
+                name: "LastXpGain",
+                table: "DiscordUser",
+                nullable: false,
+                defaultValue: new DateTime(1, 1, 1, 0, 0, 0, 0, DateTimeKind.Unspecified));
+
+            migrationBuilder.Sql("DELETE FROM XpRoleReward WHERE XpSettingsId is null");
+        }
+
+        protected override void Down(MigrationBuilder migrationBuilder)
+        {
+            migrationBuilder.DropColumn(
+                name: "LastXpGain",
+                table: "DiscordUser");
+        }
+    }
+}