page file name is not long enough. extended to 200.

comic/migrations/0016_auto_20160414_1335.py

@@ -0,0 +1,19 @@
+# -*- coding: utf-8 -*-
+# Generated by Django 1.9.2 on 2016-04-14 12:35
+from __future__ import unicode_literals
+
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+    dependencies = [
+        ('comic', '0015_auto_20160405_1126'),
+    ]
+
+    operations = [
+        migrations.AlterField(
+            model_name='comicpage',
+            name='page_file_name',
+            field=models.CharField(max_length=200),
+        ),
+    ]

comic/models.py

@@ -311,7 +311,7 @@ def get_ordered_dir_list(folder):
 class ComicPage(models.Model):
     Comic = models.ForeignKey(ComicBook, on_delete=models.CASCADE)
     index = models.IntegerField()
-    page_file_name = models.CharField(max_length=100, unique=False)
+    page_file_name = models.CharField(max_length=200, unique=False)
     content_type = models.CharField(max_length=30)