Initial commit of refactoring list of installed libraries out of elm_dependencies.json
Fix typo from previous commit
Added new modules to list of exported modules in Elm.cabal
Added backwards-compatible exact version constraint parsing + some minor changes
Fixed style issues, also added special case for printing exact constraints
More fixes
Merge pull request #692 from ddrone/deps-refactoring

Factoring out usages of Deps as list of installed libraries