• Tests will no longer warn when run against an alpha version of
  Test::Harness [rt.cpan.org #20501]
  
• Now testing our POD and POD coverage.
  
• Added a LICENSE field.
  
• Removed warning from the docs about mixing numbered and unnumbered
  tests. There's nothing wrong with that. [rt.cpan.org 21358]
  
• Change doc examples to talk about $got and $expected rather than
  $this and $that to correspond better to the diagnostic output
  [rt.cpan.org 2655]