Update to 0.76
    
    - New upstream release 0.76
      - Switch to Zilla-Dist
      - Add Algorithm::Diff and Text::Diff to test.requires
      - Fix copyright years
      - Remove (c) from Copyright
      - Switch docs to Swim
      - Add badges to docs
      - PR/11 and fixes
      - Add $VERSION back into Test::Base
      - Applied PR/4 from schwern++
      - Dep on new Spiffy-0.40 to get rid of warnings on blead 5.21.x
      - Use PR/14 which makes old and new Test::Builders work
      - Fix bad encoding in Pod
    - Use %license