Made elm-get typecheck with changes to ddrone/Elm
Factored out common code in getDeps and getVersions
Started to integrate constraint solver with Get.Install
Working on rewriting code, dropped support for unregistered libraries
Added printing out error message on elm_depencies.json read failure
Bugfix: constraint resolver always used last version independently of constraints
Added showing an install plan, optimized installs, got rid of old unused code
Cleaned Get.Install code a little, added some comments
Added support for "elm-get install library" usecase
Added a comment concerning a line of non-obvious importance
Fixed style issues
Merge pull request #42 from ddrone/deps-refactoring

Initial version of support for transitive dependencies