Hammer CLI

Stack trace and error string below.

/home/thomasmckay/.rvm/gems/ruby-1.9.3-p547@hammer/gems/fast_gettext-0.9.2/lib/fast_gettext/vendor/string.rb:70:in `%': malformed format string - %' (ArgumentError)
    from /home/thomasmckay/.rvm/gems/ruby-1.9.3-p547@hammer/gems/fast_gettext-0.9.2/lib/fast_gettext/vendor/string.rb:70:in `%'
    from /home/thomasmckay/code/hammer-cli/lib/hammer_cli/utils.rb:12:in `format'
    from /home/thomasmckay/code/hammer-cli/lib/hammer_cli/output/adapter/abstract.rb:27:in `print_error'
    from /home/thomasmckay/code/hammer-cli/lib/hammer_cli/output/output.rb:16:in `print_error'
    from /home/thomasmckay/code/hammer-cli/lib/hammer_cli/exception_handler.rb:45:in `print_error'

The error string being processed was

"Error: Operating system '<%#' not found
       Kickstart default,1,"Default Organization,Alpha Bit Soup",Default Location,Redhat,"<%#
kind: ptable
name: Kickstart default
oses:
- CentOS 5
- CentOS 6
- CentOS 7
- Fedora 16
- Fedora 17
- Fedora 18
- Fedora 19
- Fedora 20
- RedHat 5
- RedHat 6
- RedHat 7
%>
zerombr
clearpart --all --initlabel
autopart

",
"