0.002    2017-06-21 (PERLANCAR)

         - Reorganize internals & fix a couple of doc typos.

         - Add outputs: Null, String (mainly for testing).

         - Formatter: format undef as '<undef>' like in Log::Any.

         - Screen output: Add hooks for
           Progress::Any::Output::TermProgressBarColor, like in
           Log::Any::Adapter::Screen.

         - Add some tests.


0.001    2017-06-19 (PERLANCAR)

         - First release.
