Add storm/storm-lib as a dependency
Transition :use -> :require per clj v 1.4 spec
Merge branch 'master' of hausdorff:hausdorff/regret
Add midje as dev dependency
Add basic test for cli/dir-folders
refactor dir-folders' => multi-arity dir-folders
Change cli/make-folders to print default text for existing folders
Remove unnecessary def from cli
Refactor `cli/generate` to use if and case rather than match
Cause CLI errors to throw exception rather than kill the VM
Fix minor style problems
Remove build-breaking dependency in CLI