changelog
    
    
    - Thu, 15 Feb 2018 11:34:04 +0200
 
    - by Santeri Piippo [Thu, 15 Feb 2018 11:34:04 +0200] rev 1246
 
    - used mvc selection models
 
    - Thu, 15 Feb 2018 10:24:39 +0200
 
    - by Santeri Piippo [Thu, 15 Feb 2018 10:24:39 +0200] rev 1245
 
    - more work on mvc
 
    - Wed, 14 Feb 2018 15:17:30 +0200
 
    - by Santeri Piippo [Wed, 14 Feb 2018 15:17:30 +0200] rev 1244
 
    - begin model rework
 
    - Tue, 13 Feb 2018 15:43:55 +0200
 
    - by Santeri Piippo [Tue, 13 Feb 2018 15:43:55 +0200] rev 1243
 
    - removed unneeded stuff
 
    - Tue, 13 Feb 2018 14:56:08 +0200
 
    - by Santeri Piippo [Tue, 13 Feb 2018 14:56:08 +0200] rev 1242
 
    - Removed LDConditionalEdge::becomeEdgeLine
 
    - Tue, 13 Feb 2018 14:22:10 +0200
 
    - by Santeri Piippo [Tue, 13 Feb 2018 14:22:10 +0200] rev 1241
 
    - hook up dataChanged
 
    - Tue, 13 Feb 2018 14:19:07 +0200
 
    - by Santeri Piippo [Tue, 13 Feb 2018 14:19:07 +0200] rev 1240
 
    - changed Model into an MVC list model and replaced the objects list with a view into the model
 
    - Mon, 15 Jan 2018 08:20:54 +0200
 
    - by Santeri Piippo [Mon, 15 Jan 2018 08:20:54 +0200] rev 1239
 
    - add missing switch case