changelog
    
    
    - 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
 
    - Sat, 13 Jan 2018 00:06:56 +0200
 
    - by Santeri Piippo [Sat, 13 Jan 2018 00:06:56 +0200] rev 1238
 
    - disable lighting in the selection scene
 
    - Sat, 13 Jan 2018 00:04:54 +0200
 
    - by Santeri Piippo [Sat, 13 Jan 2018 00:04:54 +0200] rev 1237
 
    - moved matrix calculations, added inverted normals for BFC back sides
 
    - Fri, 12 Jan 2018 00:55:31 +0200
 
    - by Santeri Piippo [Fri, 12 Jan 2018 00:55:31 +0200] rev 1236
 
    - BFC INVERTNEXT objects are no longer individual objects
 
    - Fri, 12 Jan 2018 00:22:35 +0200
 
    - by Santeri Piippo [Fri, 12 Jan 2018 00:22:35 +0200] rev 1235
 
    - removed GL_POLYGON_SMOOTH because it causes artifacts