create game.guess
create spec for no correct guesses
initial guess algorithm work, one color in wrong spot
update guess algorithm
Merge branches 'guess_alg' and 'master'
minor sytactic changes in game.rb
add 'bw' context to game_spec
fix mark algorithm to sort by mark in game.rb
update guess algorith for clarity
reset and ready for pull to joe@monster
fix merge errors manually