Changes web server to Thin from Webrick.
Deletes user_id model
Installs gems factory_girl and crypt. Reorganizes gem file.
Deleted superfluous helper_spec docs.
Creates basic tests.
Adds Lengths and Difficulties to seed.rb
Includes basic tests, all passing. Includes model validations.
Merge pull request #5 from DenglSteel/adam-steel

Adam steel