Removed .DS_Store
Created CredentialManager class
LoginViewController now not responsible for credential management
Working on unit tests for CredentialManager class
Unit tests for CredentialManager class ready
Fixed small mistake in unit test
Implemented CredentialManager class
Added a test
Edited CredentialManager class to please Lord Tristan.
Made getCredentials return an optional tuple of strings instead of a tuple of optional strings.
Merge pull request #1 from OrangeJam/bjornorri

Bjornorri