- Use KUrl and make sure that the folder has a trailing slash. Otherwise call...

- Use KUrl and make sure that the folder has a trailing slash. Otherwise call to setFileName() causes the end of the path to be removed and breaking the URLs for history.
- When listing files, request the status from history database for the current state.
- Also use only model and path information for PTP cameras, as port number changes on the fly, therefore breaking the hashes. Unfortunately this means that the old download history for PTP devices is lost.
- Use DownloadedNo to indicate "new" photos for the time being.

BUGS:313678
FIXED-IN:4.0.0