fix multiple migrations have same name error
create new branch
use of authorship table is redundant - access author via its association with book
ability to update a review only if the review belongs to specific reader
fix redirection for signed in readers and site visitors
move before filter definition to sessions module
remove redundant code
remove attr_access
add validation for associated models review and books
clean up code in model
generate migration file to add index to reviews; set uniquness to true - meaning that each reader can only add a review to a book once and also can only create a review once. Don't know this affects ability to edit reviews
run migration for adding index of reader_id and book_id to Reviews table
add before_action and also clean up code
create update view file
add hidden text field to enable book object to be passed to review show/update form
attempt to get test to pass; didn't work
add book to rake task
truncate different factories into one general factor
attempt to fix add book method error; didn't work
last working commit