refactor directories
rename main_game to game
add sinatra tests
refactor guess checker
refactor guess checker and code list
mend
refactor and use sessions
add command_line_human_player
remove instance variables in sinatra app
add gemfile
update sinatra app rspec
add config.ru
refactor directories
rename main_game to game
add sinatra tests
refactor guess checker
refactor guess checker and code list
mend
refactor and use sessions
add command_line_human_player