** DONE [#B] Automatic selection of current assignment :grader:ui:
If multiple assignments exist for the current course, select the one
that was most recently due?
+** TODO [#A] Correct `points' ambiguity in calculator_helpers.py :ui:
+ Right now, functions dealing with 4.0-scale grades use `points' in
+ their names, which is inconsistent with the grader's use of
+ `points' as a type for grades which have a number of possible
+ points. Change to `fourpoints'?
** f890cef9d: grading/db.py: fix bug in select_students giving duplicate rows
- problem was join: a student can appear in multiple courses, so