devel/ruby-simplecov: update to 0.16.1

0.16.1 (2018-03-16)
===================

## Bugfixes

* Include the LICENSE in the distributed gem again (accidentally removed in 0.16.0). (thanks @tas50)

0.16.0 (2018-03-15)
===================

## Enhancements

* Relax version constraint on `docile`, per SemVer
* exception that occurred on exit is available as `exit_exception`! See [#639](https://github.com/colszowka/simplecov/pull/639)  (thanks @thomas07vt)
* Performance: processing results now runs from 2.5x to 3.75x faster. See [#662](https://github.com/colszowka/simplecov/pull/662) (thanks @BMorearty & @eregon)
* Decrease gem size by only shipping lib and docs

## Bugfixes

* (breaking) Stop handling string filters as regular expressions, use the dedicated regex filter if you need that behaviour. See [#616](https://github.com/colszowka/simplecov/pull/616) (thanks @yujinakayama)
* Avoid overwriting the last coverage results on unsuccessful test runs. See [#625](https://github.com/colszowka/simplecov/pull/625) (thanks @thomas07vt)
* Don't crash on invalid UTF-8 byte sequences. (thanks @BMorearty)

(taca)