0.003
  - Add an epochtime field with the simple time in epocseconds for easy
    and cheap comparison without having to parse the 8601 time.

  - Fix Log::Message::Structured::Stringify::Sprintf warnings when values
    in the sprintf string are undef. They are now literally printed as
    'undef'

0.002
  - Fix docs for Stringify::Sprintf

0.001
  - Initial version with the very basic roles extracted (and abstracted) from
    state51 code (with permission).