fix for bug

/System/Library/Frameworks/Ruby.framework/Versions/1.8/usr/lib/ruby/1.8/rubygems/custom_require.rb:31:in `gem_original_require': /Library/Ruby/Gems/1.8/gems/tugboat-0.0.3/lib/tugboat/cli.rb:175: syntax error, unexpected ')', expecting '=' (SyntaxError)