adding testing gems and initial setup
autoloads lib/
rake db:migrate to generate db/schema.rb
add tic_tac_toe/game_state.rb and spec
add spec for #current_game_state
adding .swp files to .gitignore
Merge branch 'master' into game_state
passing tests
add spec to check that each element == :empty
added spec for #empty? method
passing tests
adds spec for #cross?
passing tests
adding spec for #nought?
passing tests
add failing spec for #terminal_state?
passing tests
adding spec for #winner
passing tests
refactor some specs