DI + Crylog Implementation + Better Configuration

New Features

Global

• Dependency Injection/Service Layer module.
  • See the docs for additional information.
• Implemented Crylog as the logging framework for Athena.
  • Logs matched routes, validation/parse errors, and 500 errors by default.
  • See the docs for additional information.

Changes

Routing

• breaking Param converters' convert methods are now instance methods. Also removed the ctx from the method signature.
• breaking The handle_exception method now requires a third location parameter
• breaking The structure of athena.yml has changed to support environment specific configuration.
  • See the docs for additional information.
• breaking The current request/response/action is now accessed from RequestStack via DI as opposed to get_request/get_response.
  • See the docs for additional information.