Phoundation 3.0.0

Changed

• PHP 7.2 is now the minimum required version
• Renamed ConfigLoaderInterface to ConfigLoader
• Renamed Di\DiContainerFactoryInterface to DependencyInjection\DiContainerFactory
• Moved Bootstrap class into top-level (Phoundation) namespace
• Renamed ConfigLoader->_invoke() to ConfigLoader->load()
• Renamed DiContainerFactory->_invoke() to DiContainerFactory->create()
• ConfigLoader returns internal array type

Removed

• Config class
• Dropped support for most of DI Containers to encourage custom
  implementations in user land code