* WTF-781 Switch Todoist IDs from `int` to `string`
On platforms that convert an `int` to `int32`, like the Raspberry Pi,
an `int` is not large enough to store Todoist project IDs.
Using a `string` ensures this never becomes a problem.
Fixes#781
Signed-off-by: Chris Cummer <chriscummer@me.com>
* 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.
