Additional administrative helper methods

updateServiceItemsThumbnail
registerItems
getFolderID
_getUserFolders
clearFolder
AGOLUserCatalog
AGOLCatalog
_getSize
_getOrgID
_getCatalogQuery
AGOLCat.py

Generate a CSV of items in a portal, optionally from a query or specific
folder.
clearFolder.py

Remove all items from a specific user folder.
registerItems.py

From a designated CSV list of MapService or Application URLs, register
the items to a portal, optionally to a specific folder.
updateServiceItemsThumbnail.py

For a portal or specific user folder, look for any blank thumbnails and
replace with a default version.