Remove typo. (Connie must have had hats on the mind!)
Change-detection in importOldDatabase script.

It attempts to detect changes since the last import, and set the history items
accordingly. Not really working yet, but I think a good start..
Some work on the importOldDatabase script
Some debugging change-detection in importOldDatabase script..
Change detection working! (I think)

Database needs a lot of tidying up though, and the default units etc.
and pretty printing should probably be changed.
Changing ä to a in Aäron Vandeputte's name due to encoding problems.