Log Message:
Update to 1.12

Upstream changes:
1.12  2021-03-19  <schubiger@cpan.org>

 - Merged development version to stable.

1.11_03  2021-03-13  <schubiger@cpan.org>

 - Refactor extracting duration.

 - Don't try to trim the extract string twice.

 - Amend documentation of ::Utils.

1.11_02  2020-10-16  <schubiger@cpan.org>

 - Introduce utility function trim().

1.11_01  2020-10-03  <schubiger@cpan.org>

 - Assert that error() returns '' on success.