added tags and languages api view for snippet package
add unit tests for tags api view
edit typo
add unit tests for languages api view
accidentally added codes remove
edit account tests
added serializers for snippet package
token auth bug fix
added snippet create, update, delete for snippet package
edit snippet star
token auth. bugfix
added tag snippets list and language snipepts list for snippet package
change url design
edit typo
base api authentication
disable append slash
create authentication tests for auth module
custom authentication backend
serializer bugfix, unique data control for Follow model
rename fixture data for syncdb autoload