Adjust new list view to do model validation
Refactor list view to handle new item POSTs
enforce model validation in list view
Refactor hard-coded URLs out of templates
Use get_absolute_url on List model to DRY urls in views
new form for list items
use new form in home_page, simplify tests. NB breaks stuff
rename all item input ids and names. still broken
use form in all views, back to working state
Implement duplicate item validation at model layer
Finish the FT with the duplicate items