Init commit
User value object

* Implemented User.import
Wrap git shelling
Repo#authors spits back user objects

Dependency inject Wrapper for testing purposes
Remove leftover prys
Repo#email returns the group email
Require pry in tests
Move mock logic to method to DRY up test
Move expected value to variable for readability
Test User#valid?
Array#where for easy user finding
Pairing up users
Run all tests without loading rake
Pair#save to save the current pair to git

Dependency inject Wrapper for testing
Use the same base_email across the tests
Change User#to_s format
Repo#save to save the current authors + base-email
Repo can import authors and emails
Moved wrapper dependency inject to options hash
Replace Mintest::Mock with DummyWrapper