bump version

php 8 support

added post install script

added PHP 8.0 support

added operating system check when initializing AnyBar

fixes mikeerickson#169

updated README, fixed iniitialization

added admin tasks

Merge branch 'master' of https://github.com/mikeerickson/phpunit-pret…

…ty-result-printer

chore: release 0.27 -- phpunit 9 support