Update codebase to PHP 7.4 (#55)

Updated docs for 1.4.x

Support PHPUnit 9 (#50)

* Support PHPUnit 9

* Run tests on PHP 7.3 and 7.4

* Made ResultPrinter compatible with PHPUnit 9

Merge pull request #47 from Codeception/phpunit8

Support PHPUnit 8

fixed PHPUnit interface

fixed formatting

Merge pull request #37 from ischenko/fix-unknown-property

Fix for issue: Property $beforeSpecify does not exist

Merge pull request #35 from Codeception/revert-34-verify-mock-objects

Revert "Added ability isolate and verify mock objects within a specification"

Merge pull request #34 from ischenko/verify-mock-objects

Added ability isolate and verify mock objects within a specification

Merge pull request #19 from zszucs/zszucs/add_index_to_examples_array

[zszucs]add index to failed tests if examples array is used