/usr/lib/ruby/gems/1.8/gems/cjdns-tool-0.10.0/lib/cjdns-tool/runner.rb:354:in `parse_credentials': private method `split' called for nil:NilClass (NoMethodError)
        from /usr/lib/ruby/gems/1.8/gems/cjdns-tool-0.10.0/lib/cjdns-tool/runner.rb:346:in `each'
        from /usr/lib/ruby/gems/1.8/gems/cjdns-tool-0.10.0/lib/cjdns-tool/runner.rb:346:in `parse_credentials'
        from /usr/lib/ruby/gems/1.8/gems/cjdns-tool-0.10.0/lib/cjdns-tool/runner.rb:115:in `list'
        from /usr/lib/ruby/gems/1.8/gems/thor-0.15.4/lib/thor/task.rb:27:in `send'
        from /usr/lib/ruby/gems/1.8/gems/thor-0.15.4/lib/thor/task.rb:27:in `run'
        from /usr/lib/ruby/gems/1.8/gems/thor-0.15.4/lib/thor/invocation.rb:120:in `invoke_task'
        from /usr/lib/ruby/gems/1.8/gems/thor-0.15.4/lib/thor.rb:275:in `dispatch'
        from /usr/lib/ruby/gems/1.8/gems/thor-0.15.4/lib/thor/base.rb:425:in `start'
        from /usr/lib/ruby/gems/1.8/gems/cjdns-tool-0.10.0/bin/cjdns-tool:4
        from /usr/bin/cjdns-tool:23:in `load'
        from /usr/bin/cjdns-tool:23