Pull request for 4.3.

4.3:

master:

Tickets:

• New definition type for reading environment variables. #176 New definition type for reading environment variables: DI\env()
• Container::call() resolves array callable using class name #173 Container::call() resolves array callables using the class name
• Documentation for New definition type for reading environment variables. #176 (DI\env())
• auto-register also the DI\FactoryInterface and DI\InvokerInterface #181 Auto-register DI\FactoryInterface and DI\InvokerInterface
• News entry
• Change log