changelog
    
    
    - Sat, 17 Mar 2018 12:29:52 +0200
 
    - by Teemu Piippo <teemu@hecknology.net> [Sat, 17 Mar 2018 12:29:52 +0200] rev 1294
 
    - Added a new tool for clamping vertices
 
    - Sat, 17 Mar 2018 11:35:07 +0200
 
    - by Teemu Piippo <teemu@hecknology.net> [Sat, 17 Mar 2018 11:35:07 +0200] rev 1293
 
    - removed the old Add History Line tool
 
    - Sat, 17 Mar 2018 11:33:05 +0200
 
    - by Teemu Piippo <teemu@hecknology.net> [Sat, 17 Mar 2018 11:33:05 +0200] rev 1292
 
    - Part history can now be edited
 
    - Fri, 16 Mar 2018 16:28:39 +0200
 
    - by Teemu Piippo <teemu@hecknology.net> [Fri, 16 Mar 2018 16:28:39 +0200] rev 1291
 
    - Added basic header editing
 
    - Fri, 16 Mar 2018 12:20:16 +0200
 
    - by Teemu Piippo <teemu@hecknology.net> [Fri, 16 Mar 2018 12:20:16 +0200] rev 1290
 
    - Fixed crashing
 
    - Fri, 16 Mar 2018 11:55:58 +0200
 
    - by Teemu Piippo <teemu@hecknology.net> [Fri, 16 Mar 2018 11:55:58 +0200] rev 1289
 
    - add comments
 
    - Fri, 16 Mar 2018 11:50:35 +0200
 
    - by Teemu Piippo <teemu@hecknology.net> [Fri, 16 Mar 2018 11:50:35 +0200] rev 1288
 
    - Header parsing complete, moved all parsing code into a new class. Documents are now all loaded in one go.
 
    - Thu, 15 Mar 2018 18:51:58 +0200
 
    - by Teemu Piippo <teemu@hecknology.net> [Thu, 15 Mar 2018 18:51:58 +0200] rev 1287
 
    - begin work on document loading rework