added seed data and some helpers to make it from tsv filsv files
partway through db fxn writing
can add all cards in data to the first group now
init-db in dbseed works now
system initialization works now
cards add and remove fine
can add courses, groups, cards, reviews, students and link them
start srs dev
can add times
updating interval for scoring works
Scoring is robust, still need to put graduation interval into :review
factored out graduation-interval
privatized scoring functions
routing to student id with db param works
api can get all reviews for student and course
API can get card ids and reviews in clojure format
api can get card ids and full cards
refactored names in db
changed reviews to include course, not study group
added _id parameter when reviews are returned