* di:
  Update documentation
  Refactor response creation into a factory
  Fix interface of typehint
  Can add base middleware to the router
  Add middleware support to groups
  Support adding multiple middleware in an array
  Add more tests around the Request resolver
  Add test to make sure request data is duplicated
  Add building blocks of middleware support
  Remove redundant accessor
  Refactor to use PSR-7 Message Objects
  Refactor handling route action into Route object
  Support injecting Request objects
  Fix dependencies when using --prefer-lowest
  Add dependency injection for params & Type Hints