undefined method `version_requirements' for class `Bundler::Dependency' when bowline-bundle about bowline HOT 8 OPEN

$ rvm list

rvm rubies

=> ruby-1.9.2-p290 [ i386 ]

kurt@adam:~/tmp/bowline/helloworld$ bowline-bundle install
/home/kurt/.rvm/gems/ruby-1.9.2-p290@bowline-testing/gems/bowline-bundler-0.0.4/lib/bowline/bundler/dependency.rb:59:in `<class:Dependency>': undefined method `version_requirements' for class `Bundler::Dependency' (NameError)
    from /home/kurt/.rvm/gems/ruby-1.9.2-p290@bowline-testing/gems/bowline-bundler-0.0.4/lib/bowline/bundler/dependency.rb:4:in `<module:Bundler>'
    from /home/kurt/.rvm/gems/ruby-1.9.2-p290@bowline-testing/gems/bowline-bundler-0.0.4/lib/bowline/bundler/dependency.rb:1:in `<top (required)>'
    from /home/kurt/.rvm/rubies/ruby-1.9.2-p290/lib/ruby/site_ruby/1.9.1/rubygems/custom_require.rb:36:in `require'
    from /home/kurt/.rvm/rubies/ruby-1.9.2-p290/lib/ruby/site_ruby/1.9.1/rubygems/custom_require.rb:36:in `require'
    from /home/kurt/.rvm/gems/ruby-1.9.2-p290@bowline-testing/gems/bowline-bundler-0.0.4/lib/bowline/bundler.rb:18:in `<top (required)>'
    from /home/kurt/.rvm/rubies/ruby-1.9.2-p290/lib/ruby/site_ruby/1.9.1/rubygems/custom_require.rb:36:in `require'
    from /home/kurt/.rvm/rubies/ruby-1.9.2-p290/lib/ruby/site_ruby/1.9.1/rubygems/custom_require.rb:36:in `require'
    from /home/kurt/.rvm/gems/ruby-1.9.2-p290@bowline-testing/gems/bowline-bundler-0.0.4/bin/bowline-bundle:4:in `<top (required)>'
    from /home/kurt/.rvm/gems/ruby-1.9.2-p290@bowline-testing/bin/bowline-bundle:19:in `load'
    from /home/kurt/.rvm/gems/ruby-1.9.2-p290@bowline-testing/bin/bowline-bundle:19:in `<main>'

kurt@adam:~/tmp/bowline/helloworld$ gem list

*** LOCAL GEMS ***

activemodel (3.1.1.rc2, 3.0.10)
activesupport (3.1.1.rc2, 3.0.10)
bowline (0.9.4)
bowline-bundler (0.0.4)
builder (3.0.0, 2.1.2)
bundler (1.0.15)
diff-lcs (1.1.3)
extlib (0.9.15)
highline (1.6.2)
i18n (0.6.0, 0.5.0)
multi_json (1.0.3)
rake (0.8.7)
rubyzip2 (2.0.1)
supermodel (0.1.6, 0.1.4)
templater (1.0.0)
tzinfo (0.3.30)

kurt@adam:~/tmp/bowline/helloworld$ rvm info

ruby-1.9.2-p290@bowline-testing:

  system:
    uname:       "Linux adam 2.6.35-30-generic #59-Ubuntu SMP Tue Aug 30 19:00:03 UTC 2011 x86_64 GNU/Linux"
    bash:        "/bin/bash => GNU bash, version 4.1.5(1)-release (x86_64-pc-linux-gnu)"
    zsh:         " => not installed"

  rvm:
    version:      "rvm 1.6.31 by Wayne E. Seguin ([email protected]) [https://rvm.beginrescueend.com/]"

  ruby:
    interpreter:  "ruby"
    version:      "1.9.2p290"
    date:         "2011-07-09"
    platform:     "x86_64-linux"
    patchlevel:   "2011-07-09 revision 32553"
    full_version: "ruby 1.9.2p290 (2011-07-09 revision 32553) [x86_64-linux]"

  homes:
    gem:          "/home/kurt/.rvm/gems/ruby-1.9.2-p290@bowline-testing"
    ruby:         "/home/kurt/.rvm/rubies/ruby-1.9.2-p290"

  binaries:
    ruby:         "/home/kurt/.rvm/rubies/ruby-1.9.2-p290/bin/ruby"
    irb:          "/home/kurt/.rvm/rubies/ruby-1.9.2-p290/bin/irb"
    gem:          "/home/kurt/.rvm/rubies/ruby-1.9.2-p290/bin/gem"
    rake:         "/home/kurt/.rvm/gems/ruby-1.9.2-p290@global/bin/rake"

  environment:
    PATH:         "/home/kurt/.rvm/gems/ruby-1.9.2-p290@bowline-testing/bin:/home/kurt/.rvm/gems/ruby-1.9.2-p290@global/bin:/home/kurt/.rvm/rubies/ruby-1.9.2-p290/bin:/home/kurt/.rvm/bin:/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin:/usr/games"
    GEM_HOME:     "/home/kurt/.rvm/gems/ruby-1.9.2-p290@bowline-testing"
    GEM_PATH:     "/home/kurt/.rvm/gems/ruby-1.9.2-p290@bowline-testing:/home/kurt/.rvm/gems/ruby-1.9.2-p290@global"
    MY_RUBY_HOME: "/home/kurt/.rvm/rubies/ruby-1.9.2-p290"
    IRBRC:        "/home/kurt/.rvm/rubies/ruby-1.9.2-p290/.irbrc"
    RUBYOPT:      ""
    gemset:       "bowline-testing"