Added "in" operator & tests for filters
add test fixtures
Added tests & fixes for create_account
Renamed test file
Added return type in docstring
More tests for account model
Test and implementation for authenticate account
Setup templating
Template
account registration
Session & tests
Added session processor
Registration display a message if already logged in
add_blog_id tests & impl
Added login check for session processor
Fixed session processor
Added display name to account model
UI for login/register
Validation for memory storage
Fix private naming