started pip requirements file
added Snippet model
added .gitignore.  ignore .db file
added serializers.py to handle turning snippet instances into json.
fixed typo in serializers.py
refactored serializers.py to use built in ModelSerializer class
subclassed HttpResponse with JSONResponse, added view for snippet_list and snippet_detail
added snippets urls.py file and wired up serialization views
fixed bug in serializers.py - not inheriting from correct class
wrapped up part 1