* Some assignments simplified by using assignment operators
* Rewrite switch statement with only one case as if.
* Rewrite if-else chain as a switch statement.
* go fmt `modules/todoist/project.go` file.
Define help with keys
This means that keys and help are automatically in sync
This means that you can't define keys, but forget help
This unfortunately also means that formatting may not be quite as good
Rather than referencing wtc.Config, instead pass the global config
Also, look up config for the module early and pass that in sooner, to deal with fewer long paths and get rid of the
ConfigKey variable
