Initial implementation.
Merge remote branch 'upstream/master' into add_spaced_list_type
Focus setting working.
Add tests for new list type.
ZeroDivision error now captured correctly as fail against metadata.
Tidyup.
add the ability to specify comma separated --task --group
Run startup checks on loading previewed app(s).
Merge pull request #1198 from arjclark/fix.preview_app_dup_check

rose edit: Run startup checks on loading previewed app(s).
Review feedback.
Merge pull request #1195 from arjclark/add_spaced_list_type

rose metadata: Add spaced list type
Document spaced_list type.
rose app-upgrade: fix HEAD broken macro pathway
Merge pull request #1199 from arjclark/doc.spaced_list

Document spaced_list type.
Update CHANGES.md
Merge pull request #1200 from benfitzpatrick/rose-app-upgrade.broken-pathway-HEAD-fix-tests

rose app-upgrade: fix HEAD broken macro pathway
Update a test to include comma separated --task and --group lists.
Merge pull request #1197 from steoxley/task_comma_sep

rose stem: allow comma separated --task --group
rose date: isodatetime: initial attempt
Update CHANGES.md