Function get_submissions_all 

pub fn get_submissions_all<F: IntoIterator<Item = Filter>>(
    filters: F,
) -> Result<Vec<Submission>>

Executes one or more GET requests to the /Submissions endpoint to retreive all available submissions.

This will likely make multiple API calls, in MAX_PAGE_LENGTH increments, until no more entries are found or until an error occurs.

Optional search filters:

Statuses, Users, StartYear, EndYear, Systems, Games, Sorts

Errors

Any request or parsing errors will be returned.