Add more tests and cleanup coverage reports (#13)

Closes #11

testproj/articles/serializers.py

@@ -4,13 +4,24 @@ from articles.models import Article
 
 
 class ArticleSerializer(serializers.ModelSerializer):
+    references = serializers.DictField(
+        help_text="this is a really bad example",
+        child=serializers.URLField(help_text="but i needed to test these 2 fields somehow"),
+    )
+    uuid = serializers.UUIDField(help_text="should articles have UUIDs?")
+
     class Meta:
         model = Article
-        fields = ('title', 'body', 'slug', 'date_created', 'date_modified')
+        fields = ('title', 'body', 'slug', 'date_created', 'date_modified', 'references', 'uuid')
         read_only_fields = ('date_created', 'date_modified')
         lookup_field = 'slug'
         extra_kwargs = {'body': {'help_text': 'body serializer help_text'}}
 
 
 class ImageUploadSerializer(serializers.Serializer):
+    what_am_i_doing = serializers.RegexField(regex=r"^69$", help_text="test")
+    image_styles = serializers.ListSerializer(
+        child=serializers.ChoiceField(choices=['wide', 'tall', 'thumb', 'social']),
+        help_text="Parameter with Items"
+    )
     upload = serializers.ImageField(help_text="image serializer help_text")