* Remove api package
* Remove api dependency from cmd package
* Remove EnableAPIv3 setting
* Update web tests
* Add more websocket tests
* Move some ws and oauth tests to api4 package
* Move command tests into api4 package
* Test fixes
* Fix msg command test
* Add some app file tests
* Refactor context out of API packages
* Update function names per feedback
* Move webhook handlers to web and fix web tests
* Move more webhook tests out of api package
* Fix static handler