Merge pull request #2 from clagiordano/feature/phpunit9

Add support for phpunit v9

Update composer.json to allow installation on phpunit v8

Merge branch 'feature/errors'

Add colored output for errors

Upgrade to phpunit 7

Add blank lines before and after final test results

Change test list style and add print error/failures on printResult

Update composer.json

Initial commit, import code from external project