This release drops support for old PHP versions. The minimum PHP version requirement is 7.1.

Added

• Final keyword to all classes
• Type hints and strict type declarations
• CS rules (.php_cs.dist)
• A new environment variable CHECK_CS for dockerfile.sh

Changed

• The Queue::call() method now accepts a variable number of arguments. The new signature:
  public function call(string $methodName, ...$args) : array