Log Message:
Update to 4.021

Upstream changes:
4.021  2015-11-11 16:42:01 GMT
    * Feature #487 : Translate using Locale::TextDomain (sschober)
      add setlocale for linux system

4.020  2015-11-08 17:33:34 GMT
    * Feature #487 : Translate using Locale::TextDomain (sschober)
      fix LC_ALL in tests

4.019  2015-10-31 16:01:55 GMT
    * Bug #496 : Handle multiple autosplit options correctly (Celogeek San)
    * Feature #489 : add compact help (Celogeek San)
    * Feature #487 : Translate using Locale::TextDomain (sschober)
    * Feature #486 : Reduce runtime dependency footprint (arc)
    * Feature #481 : add spacer option (Celogeek San)
    * Feature #373 : use "format" => "json" instead of \ 
json => 1 (Celogeek San)