turns prices in notification to strings %.2f
replaces the button box with a toolbar
maybe fixes key error, when title is a unicode string
refixes article duplicates in the data file
makes config window not resizable
makes the code prettier
makes the main window appear in the center
makes the config window modal to the main window
rounds found price to .2
more fixes to ensure maximum length of price is x.xx
fixes bug in displaying titles with '&' in it
fixes unicode issues?
fixes program not opening, when there is no data file