updated dependencies
updated dependencies

Changelogs summary:

 - phpunit/phpunit updated from 4.8.19 to 4.8.20
   See changes: https://github.com/sebastianbergmann/phpunit/compare/4.8.19...4.8.20
   Release notes: https://github.com/sebastianbergmann/phpunit/releases/tag/4.8.20

teqneers/ext-direct,teqneers/ext-direct