2.2.0

• Reimplement static file serving. This is a breaking change at a lower level.
• Strict type checking. Additionally, always use type hinting unless a parameter is intentionally able to have multiple types.
• Add logger resource getter. Useful to merge log with other existing loggers.
• Move path parsing functionalities to separate Parser class.
• Reorganize default routing methods into separate RouteDefault class.
• Improve Rout{er,ing}Dev classes. Allow merging request headers with those from environment variable.
• Introduce JSON body parser.
• Add additional reference parameter to Common::exec to separate output lines and return code. This is a breaking change in return value.
• PHP 7.4 support.