Started to clean up transit_instructions.
Cleaned up private methods.
Somewhat cleaned up transit_instructions.
Whitespace after ampersand.
Added get_station_for(stop) and get_key_for(station) - I feel like this could be done more simply still...
Combined direction_on_l and direction_on_f; Cleaned up transit_instructions.
Cleaned up transfer_instructions; updated station_spec.
Merge pull request #3 from rfarine/clean-up

Clean Up