Log Message:
Update to 0.06

Upstream changes:
0.06    2018-06-08
    - update toolchain for modern perl environments including
      * automated regression test
      * test coverage analyzation
      * pod coverage
    - introducing common code style
    - introduce a bunch of missing functions:
      * slice_without (Thanks to Theo van Hoesel \ 
<Th.J.v.Hoesel@THEMA-MEDIA.nl>)
      * slice_missing / slice_missing_map (Thanks to Christoph Zimmermann \ 
<christophemzim@web.de>)
      * slice_notdef / slice_notdef_map (Thanks to Christoph Zimmermann \ 
<christophemzim@web.de>)
      * slice_true / slice_true_map
      * slice_false / slice_false_map