chore(release): 1.4.0 [skip ci]

# [1.4.0](v1.3.0...v1.4.0) (2021-02-22)

### Bug Fixes

* display guest code as well as code when code lock is placed with one ([18b587c](18b587c))
* formatting on message when a code lock is placed ([659e0bf](659e0bf))
* update user messages ([1a064f2](1a064f2))

### Features

* add extended help message ([3ca82a0](3ca82a0))
* add quiet mode ([38b87b6](38b87b6))
* allow changing the icon displayed to the user in the in-game chat ([8874903](8874903))
* allow for optional "set" before code in command ([281f71d](281f71d))