Start RedmineModel.
Start implementing Redmine::Model.
Use X-Redmine-API-Key instead of adding the key visibly to the query.
Update after ThreadWeaver API change.
Simplify finding ThreadWeaver after the KDE TP release.
Adapt to ThreadWeaver as of KF5 TP.
Rely on organization name etc setting in Application.
Review CurrentUserRetriever.
Make retriever inherit Collection.

It seems to be most common that Redmine API requests are windowed for
larger numbers of elements.
More tracing in UsersRetriever.
Execute testIssuesRetriever in the queue instead of blocking.
Implement IssuesRetriever to generate jobs for data retrieval.
Add list of tasks to Model.
Make configuration available to sub classes.
Babysteps on RedmineTaskListProvider.cpp.
Update testIssuesRetriever to run in parallel.
Implement asynchronous ProjectsRetriever.
Rework TaskListProvider and RedmineConnector.
Single-run based ModelDownloader, updated RedmineConnector.
Rename files to match class name.