Ruby-1.9でutility_belt - suzumura_ssのブログかなり便利な gem utility_belt ですが、Ruby1.9系で使えません。(utility_belt-1.1.0) $ irb -r utility_belt /usr/local/lib/ruby/gems/1.9.1/gems/utility_belt-1.1.0/lib/utility_belt.rb:16: in `block in <top (required)>': wrong number of arguments (1 for 0) (ArgumentError) from /usr/local/lib/ruby/1.9.1/irb.rb:61:in `call' from /usr/local/lib/ruby/1.9.1/irb.rb:61:in `start' from /usr/local/bin/irb:12:in `<main>'gems/utili
