Fixed a few consumer bugs and added an exporter

Rename exporter to export and fixt some debugging

Account for files not matching the sender/title pattern

Added a safety note

Wrong regex on the name parser

Renamed the command to something slightly less ambiguous

src/documents/migrations/0004_auto_20160114_1844.py

@@ -0,0 +1,21 @@
+# -*- coding: utf-8 -*-
+# Generated by Django 1.9 on 2016-01-14 18:44
+from __future__ import unicode_literals
+
+from django.db import migrations, models
+import django.db.models.deletion
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('documents', '0003_sender'),
+    ]
+
+    operations = [
+        migrations.AlterField(
+            model_name='document',
+            name='sender',
+            field=models.ForeignKey(blank=True, null=True, on_delete=django.db.models.deletion.CASCADE, related_name='documents', to='documents.Sender'),
+        ),
+    ]