Release 1.2.1

Changelog (since 1.2.0...1.2.1)

• bug #24 Add hook for support Twig > 2.7 (@peter-gribanov)
• bug #23 GpsLabPaginationBundle::$extension can be false. Correct init GpsLabPaginationExtension. (@peter-gribanov)
• bug #20 Test project with PHPStan (@peter-gribanov)
• bug #18 Add Roave Security Advisories (@peter-gribanov)
• bug #17 Use static assert*() methods as a static in tests (@peter-gribanov)
• bug #19 Add php-cs-fixer to control the code style during development (@peter-gribanov)
• bug #16 Use willReturn() methods in tests (@peter-gribanov)
• bug #15 Not use deprecated spaceless Twig tag (@peter-gribanov)
• bug #14 Rename undefined type callback to callable (@peter-gribanov)
• bug #12 Lazy load extension (@peter-gribanov)