* Add tests for remove_route()
* Add tests for sanic/router.py
* Add tests for sanic/cookies.py
* Disable reset logging in test_logging.py
* Add tests for sanic/request.py
* Add tests for ContentRangeHandler
* Add tests for exception at response middleware
* Fix cached_handlers for ErrorHandler.lookup()
* Add test for websocket request timeout
* Add tests for getting cookies of StreamResponse, Remove some unused variables in tests/test_cookies.py
* Add tests for nested error handle
* add unit tests, which should fail
* fix CIDict
* moving CIDict to avoid circular imports
* fix unit tests
* use multidict for headers
* fix cookie
* add version constraint for multidict
* omit test coverage for __main__.py
* make flake8 happy
* consolidate check in for loop
* travisci retry build