Fix small issues in downloadHelper
Need to use VK_RETURN
Fix typo (autoRetrying)
Do not span selectionChanged timer when already updating
Always async delete downloads
Fix typo (Array -> d)
doFilterOne should obey batch updates
Add fast-path for position saving after deletes
Avoid some anonymous function obj allocation in autoclears
Make stmt in savePositionsByOffset reusable
Add lazyProto helper
Use lazyProto in urlmanager
Remove spurious log stmt
Implement remove failed/paused
Log lazyProto failures
Fix typo in urlmanager
Add renamer tests
Make getUsableFileNameWithFlatten less cryptic to read
Properly set renaming mask private in select.xul
historymanager: some more logging and quirks