Updated p5-Unix-Statgrab to 0.111.

0.111 2016-05-01
    - Release 0.110_003 without further changes

0.110_003 2016-04-21
    - add missing prove whether requested row exists in stat or not for
      fetchrow_hashref and fetchrow_arrayref calls

0.110_002 2016-04-20
    - harden passing strings from libstatgrab to perl when fetching stats
      as array

0.110_001 2016-04-14
    - harden tests
      * eval around all statgrab calls & don't prove result when exception catched
      * check for result and error, if no result received
    - harden passing strings from libstatgrab to perl when fetching stats
      as hash
    - improve author tests and so improve documentation

(wiz)