Create decks and use it
Add method pending_cards to model user
Add method pending_cards to model user
Add spec/models/user_spec.rb
Add spec/models/user_spec.rb with small correcting
Add checking the existence of cards to static_pages_controller
Corrected user validation error
Add after_destroy callback to model deck
Corrected redirect in the static_pages_controller
Merge pull request #12 from LelikGR/create-deck

Create decks