Use more appropriate fields instead of TextFields

Fix issue #72

webapp/migrations/0011_auto_20170913_1841.py

@@ -0,0 +1,36 @@
+# -*- coding: utf-8 -*-
+# Generated by Django 1.11 on 2017-09-13 15:41
+from __future__ import unicode_literals
+
+from django.db import migrations, models
+import phonenumber_field.modelfields
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('webapp', '0010_auto_20170608_0924'),
+    ]
+
+    operations = [
+        migrations.AlterField(
+            model_name='baserole',
+            name='name',
+            field=models.CharField(max_length=256, verbose_name='Name'),
+        ),
+        migrations.AlterField(
+            model_name='kaehmyform',
+            name='name',
+            field=models.CharField(max_length=256, verbose_name='Name'),
+        ),
+        migrations.AlterField(
+            model_name='kaehmymessage',
+            name='name',
+            field=models.CharField(max_length=256, verbose_name='Name'),
+        ),
+        migrations.AlterField(
+            model_name='official',
+            name='phone_number',
+            field=phonenumber_field.modelfields.PhoneNumberField(max_length=128, verbose_name='Phone number'),
+        ),
+    ]