Changes

0.006 2017-01-20
  - allow closure types (thanks to plicease for all of these)

0.005 2017-01-16
  - allow Symbol attribute (thanks to plicease for all of these)
  - require 5.16 because of attribute.pm bug
  - strcmp not fmax for tests for better ubiquity

0.004 2016-06-08
  - add Changes
  - add minimal test

0.003 2016-05-23
  - credit plicease
  - remove debug from example
  - avoid uninit warning

0.002 2016-05-22
  - credit Zoffix

0.001 2016-05-22
  - initial version