[root@localhost sin]# heroku keys:add
/usr/lib/ruby/gems/1.9.1/gems/heroku-1.13.4/lib/heroku/commands/pgbackups.rb:8:in `<class:Pgbackups>': uninitialized constant Heroku::Command::Help (NameError)
    from /usr/lib/ruby/gems/1.9.1/gems/heroku-1.13.4/lib/heroku/commands/pgbackups.rb:5:in `<module:Command>'
    from /usr/lib/ruby/gems/1.9.1/gems/heroku-1.13.4/lib/heroku/commands/pgbackups.rb:4:in `<top (required)>'
    from <internal:lib/rubygems/custom_require>:29:in `require'
    from <internal:lib/rubygems/custom_require>:29:in `require'
    from /usr/lib/ruby/gems/1.9.1/gems/heroku-1.13.4/lib/heroku/command.rb:5:in `block in <top (required)>'
    from /usr/lib/ruby/gems/1.9.1/gems/heroku-1.13.4/lib/heroku/command.rb:5:in `each'
    from /usr/lib/ruby/gems/1.9.1/gems/heroku-1.13.4/lib/heroku/command.rb:5:in `<top (required)>'
    from <internal:lib/rubygems/custom_require>:29:in `require'
    from <internal:lib/rubygems/custom_require>:29:in `require'
    from /usr/lib/ruby/gems/1.9.1/gems/heroku-1.13.4/bin/heroku:7:in `<top (required)>'
    from /usr/bin/heroku:19:in `load'
    from /usr/bin/heroku:19:in `<main>'