Initial commit: adds aligner
Simplify aligner code by eliminating redundancies

-switch to collections.defaultdict, remove calls to setdefault
-consolidate many calls to str.strip().split() into one place
Clarify purpose of dreamt in README
Add decoder
Add MIT license
Update README
Add evaluator
Rename dev systems for evaluation task
Add verbose option to evaluator/grade
Add reranker
Convert README to Markdown and update URL
ok let's go