Merge branch 'dev' of git+ssh://github.com/A1kmm/Elm into dev
Merge branch 'dev' of github.com:/A1kmm/Elm into dev
Turn off debug code that printed all constraints during unify.

This debug code is very noisy and makes it hard to test the dev
branch because you can't see warnings buried in all the debug
output.
Fix up previous merge
Also fix merge to remove extra newline
Merge pull request #184 from A1kmm/dont-print-constraints-during-unify

Don't print constraints during unify
Fix substitutions for ExplicitList.
Merge branch 'dev' of https://github.com/evancz/Elm into dev
Fix optimization bug with > sign.
Merge branch 'dev' of https://github.com/evancz/Elm into dev