Someone

ruby 1.9.3p0 (2011-10-30 revision 33570) [x86_64-darwin11.2.0]
bin/wayback_game.rb:139: warning: (...) interpreted as grouped expression
bin/wayback_game.rb:139: warning: (...) interpreted as grouped expression
bin/wayback_game.rb:146: warning: (...) interpreted as grouped expression
bin/wayback_game.rb:146: warning: (...) interpreted as grouped expression
/Users/zack/Downloads/0.1.1/vendor/bundle/ruby/1.9.1/gems/mime-types-1.17.2/lib/mime/types.rb:768: warning: assigned but unused variable - ex
/Users/zack/Downloads/0.1.1/vendor/bundle/ruby/1.9.1/gems/mail-2.3.0/lib/mail/multibyte/chars.rb:438: warning: assigned but unused variable - e
/Users/zack/Downloads/0.1.1/vendor/bundle/ruby/1.9.1/gems/mail-2.3.0/lib/mail/patterns.rb:11: warning: assigned but unused variable - lwsp
/Users/zack/Downloads/0.1.1/vendor/bundle/ruby/1.9.1/gems/mail-2.3.0/lib/mail/encodings.rb:142: warning: assigned but unused variable - string
/Users/zack/Downloads/0.1.1/vendor/bundle/ruby/1.9.1/gems/mail-2.3.0/lib/mail/encodings.rb:210: warning: shadowing outer local variable - str
/Users/zack/Downloads/0.1.1/vendor/bundle/ruby/1.9.1/gems/mail-2.3.0/lib/mail/encodings.rb:226: warning: shadowing outer local variable - str