moved some InrixRoute methods to the initializer so they don't have to be called in order
added a get_all_routes method
Routes now created more efficiently within Journey model
renamed directions method
creating Locations is now more efficient
made variable names more consistent
factored out extraneous Token methods
getting geocode is now a private method
made names slightly more efficient in generate_routes method
updated comments, minor naming tweaks
fixed references to private methods in Location
merged refactored branch