Log Message:
Updated p5-List-MoreUtils-XS to 0.422.

0.422	2017-08-15
    - Rename 'occurances' into 'occurrences' as requested in RT#122806 by
      Paul Howarth as a slightly late side-note in RT#91991.
    - Add DESCRIPTION to Pod clarifying the role of List::MoreUtils::XS
    - improve Makefile.PL regarding some build artifacts

0.421	2017-08-14
    - correct license in META thanks to Chase Whitener (RT#122702)
    - fix issues with -DPERL_IMPLICIT_SYS on Windows with Strawberry-Perl

0.420_002	2017-08-03
    - improve configure toolchain to use Config::AutoConf 0.315
    - speed up some inner loops by hinting the expected result
    - fix mind screwed up issue in upper_bound and reduce elements
      visited in equal_range

0.420_001	2017-06-28
    - fix a lot of potential memory leaks when callbacks throw exceptions
    - add some new functions:
      * qsort
      * binsert
      * bremove
      * listcmp
      * arrayify (RT#17230)
      * samples (RT#77562)
      * minmaxstr (RT#106401)
      * lower_bound
      * upper_bound
      * equal_range
      * frequencies
      * occurances
      * mode (RT#91991)
      * zip6 (RT#42921)
      * reduce_0
      * reduce_1
      * reduce_u
    - improve tests
    - make List::MoreUtils::XS independent from List::MoreUtils
      Note that List::MoreUtils::XS doesn't guarantee API stability - this
      feature is only provided through List::MoreUtils as frontend.