3.0.0: PHP 7.2 requirement, PHP 8 and phpspec 7 support

• dropped support for PHP <7.2
• added support for PHP 8
• added support for phpspec 7

Released v2.0.0

Released v2.0.0-alpha2

Same as v2.0.0-alpha1

v2.0.0-alpha2

Same as alpha1

PHP 7

• dropped support for PHP < 7

Updated dependencies

• added support for PHP 7

Fixed Insight badge

• fixed Insight badge

Import

Extracted Linter from memio/validator 1.0.0-rc1