Add all files to dev branch. NOTE: TESTS NOT WORKING THIS IS FOR SAM TO LOOK AT HOLY SHIT'
Update and rename Rotor.py to rotor.py
Update and rename rotor_test.py to test_rotor.py
Merge pull request #1 from samwhitehall/dev

Dev
Add .DS_Store to .gitignore
Add *.pyc to .gitignore
Add test that rotor is being created
Add functionality to set the substitution order with a rotor. Add tests for the functionality.