changelog
    
    
    - Wed, 26 Feb 2020 22:26:05 +0200
 
    - by Teemu Piippo <teemu@hecknology.net> [Wed, 26 Feb 2020 22:26:05 +0200] rev 56
 
    - PartRenderer::modelToScreenCoordinates FINALLY WORKS
 
    - Wed, 26 Feb 2020 02:21:07 +0200
 
    - by Teemu Piippo <teemu@hecknology.net> [Wed, 26 Feb 2020 02:21:07 +0200] rev 55
 
    - grid stuff
 
    - Thu, 13 Feb 2020 15:25:01 +0200
 
    - by Teemu Piippo <teemu@hecknology.net> [Thu, 13 Feb 2020 15:25:01 +0200] rev 54
 
    - made the grid look nicer
 
    - Thu, 13 Feb 2020 12:51:27 +0200
 
    - by Teemu Piippo <teemu@hecknology.net> [Thu, 13 Feb 2020 12:51:27 +0200] rev 53
 
    - added grid program
 
    - Sat, 08 Feb 2020 00:08:57 +0200
 
    - by Teemu Piippo <teemu@hecknology.net> [Sat, 08 Feb 2020 00:08:57 +0200] rev 52
 
    - avoid having the null id in the selection
 
    - Fri, 07 Feb 2020 23:59:06 +0200
 
    - by Teemu Piippo <teemu@hecknology.net> [Fri, 07 Feb 2020 23:59:06 +0200] rev 51
 
    - selection works now
 
    - Fri, 07 Feb 2020 02:02:16 +0200
 
    - by Teemu Piippo <teemu@hecknology.net> [Fri, 07 Feb 2020 02:02:16 +0200] rev 50
 
    - fix some warnings