Detail column now supports lengthy updates

Fixes #1816

modules/system/database/migrations/2013_10_01_000004_Db_System_Plugin_History.php

@@ -4,7 +4,6 @@ use October\Rain\Database\Updates\Migration;
 
 class DbSystemPluginHistory extends Migration
 {
-
     public function up()
     {
         Schema::create('system_plugin_history', function ($table) {

modules/system/database/migrations/2016_10_01_000019_Db_System_Plugin_History_Detail_Text.php

@@ -0,0 +1,20 @@
+<?php
+
+use October\Rain\Database\Updates\Migration;
+
+class DbSystemPluginHistoryDetailText extends Migration
+{
+    public function up()
+    {
+        Schema::table('system_plugin_history', function ($table) {
+            $table->text('detail')->nullable()->change();
+        });
+    }
+
+    public function down()
+    {
+        Schema::table('system_plugin_history', function ($table) {
+            $table->string('detail')->nullable()->change();
+        });
+    }
+}