changelog
    
    
    - Sun, 17 Jun 2018 13:57:00 +0300
 
    - by Teemu Piippo <teemu@hecknology.net> [Sun, 17 Jun 2018 13:57:00 +0300] rev 1404
 
    - replaced GLRotationMatrix with QMatrix4x4
 
    - Sun, 17 Jun 2018 13:53:33 +0300
 
    - by Teemu Piippo <teemu@hecknology.net> [Sun, 17 Jun 2018 13:53:33 +0300] rev 1403
 
    - replaced the Matrix class with QMatrix4x4
 
    - Sun, 10 Jun 2018 23:25:08 +0300
 
    - by Teemu Piippo <teemu@hecknology.net> [Sun, 10 Jun 2018 23:25:08 +0300] rev 1402
 
    - some rework in description
 
    - Sun, 10 Jun 2018 23:07:24 +0300
 
    - by Teemu Piippo <teemu@hecknology.net> [Sun, 10 Jun 2018 23:07:24 +0300] rev 1401
 
    - fixed bugs regarding circular primitives
 
    - Sun, 10 Jun 2018 21:48:58 +0300
 
    - by Teemu Piippo <teemu@hecknology.net> [Sun, 10 Jun 2018 21:48:58 +0300] rev 1400
 
    - refactored LDPolygon
 
    - Sun, 10 Jun 2018 17:17:42 +0300
 
    - by Teemu Piippo <teemu@hecknology.net> [Sun, 10 Jun 2018 17:17:42 +0300] rev 1399
 
    - added the disc and disc negative to the circular primitive type
 
    - Sun, 10 Jun 2018 16:50:14 +0300
 
    - by Teemu Piippo <teemu@hecknology.net> [Sun, 10 Jun 2018 16:50:14 +0300] rev 1398
 
    - changed LDCylinder to LDCircularPrimitive and moved circles to it
 
    - Sun, 10 Jun 2018 16:04:38 +0300
 
    - by Teemu Piippo <teemu@hecknology.net> [Sun, 10 Jun 2018 16:04:38 +0300] rev 1397
 
    - cleaned up LDColor constructors
 
    - Sun, 10 Jun 2018 15:53:21 +0300
 
    - by Teemu Piippo <teemu@hecknology.net> [Sun, 10 Jun 2018 15:53:21 +0300] rev 1396
 
    - show the color index in the color button
 
    - Sun, 10 Jun 2018 12:12:50 +0300
 
    - by Teemu Piippo <teemu@hecknology.net> [Sun, 10 Jun 2018 12:12:50 +0300] rev 1395
 
    - separated the color button into a new widget
 
    - Fri, 08 Jun 2018 23:06:56 +0300
 
    - by Teemu Piippo <teemu@hecknology.net> [Fri, 08 Jun 2018 23:06:56 +0300] rev 1394
 
    - fixed cylinder rendering
 
    - Thu, 07 Jun 2018 23:24:02 +0300
 
    - by Teemu Piippo <teemu@hecknology.net> [Thu, 07 Jun 2018 23:24:02 +0300] rev 1393
 
    - changed rotation matrix to quaternion in GLRenderer
 
    - Mon, 04 Jun 2018 23:22:52 +0300
 
    - by Teemu Piippo <teemu@hecknology.net> [Mon, 04 Jun 2018 23:22:52 +0300] rev 1392
 
    - fix compiler warnings
 
    - Mon, 04 Jun 2018 23:12:40 +0300
 
    - by Teemu Piippo <teemu@hecknology.net> [Mon, 04 Jun 2018 23:12:40 +0300] rev 1391
 
    - added work done on cylinders
 
    - Wed, 30 May 2018 22:31:06 +0300
 
    - by Teemu Piippo <teemu@hecknology.net> [Wed, 30 May 2018 22:31:06 +0300] rev 1390
 
    - added draw plane feature (doesn't work with circle draw quite right yet)
 
    - Sat, 26 May 2018 17:28:15 +0300
 
    - by Teemu Piippo <teemu@hecknology.net> [Sat, 26 May 2018 17:28:15 +0300] rev 1389
 
    - refactored signal blocking
 
    - Thu, 10 May 2018 15:54:26 +0300
 
    - by Teemu Piippo <teemu@hecknology.net> [Thu, 10 May 2018 15:54:26 +0300] rev 1388
 
    - fixed that scaling factors could be negative
 
    - Thu, 10 May 2018 15:48:39 +0300
 
    - by Teemu Piippo <teemu@hecknology.net> [Thu, 10 May 2018 15:48:39 +0300] rev 1387
 
    - added a doublespinbox variant that uses "." as the decimal point and omits trailing zeros
 
    - Thu, 10 May 2018 14:57:23 +0300
 
    - by Teemu Piippo <teemu@hecknology.net> [Thu, 10 May 2018 14:57:23 +0300] rev 1386
 
    - added scaling vector editing into the subfile editing dialog
 
    - Fri, 27 Apr 2018 16:27:14 +0300
 
    - by Teemu Piippo <teemu@hecknology.net> [Fri, 27 Apr 2018 16:27:14 +0300] rev 1385
 
    - added vertex rendering
 
    - Wed, 25 Apr 2018 18:55:15 +0300
 
    - by Teemu Piippo <teemu@hecknology.net> [Wed, 25 Apr 2018 18:55:15 +0300] rev 1384
 
    - some fixes
 
    - Thu, 05 Apr 2018 22:56:37 +0300
 
    - by Teemu Piippo <teemu@hecknology.net> [Thu, 05 Apr 2018 22:56:37 +0300] rev 1383
 
    - fixed vertex cache spontaneously clearing
 
    - Wed, 04 Apr 2018 12:08:45 +0300
 
    - by Teemu Piippo <teemu@hecknology.net> [Wed, 04 Apr 2018 12:08:45 +0300] rev 1382
 
    - refactored the quick color toolbar
 
    - Wed, 04 Apr 2018 11:43:15 +0300
 
    - by Teemu Piippo <teemu@hecknology.net> [Wed, 04 Apr 2018 11:43:15 +0300] rev 1381
 
    - removed dead code
 
    - Wed, 04 Apr 2018 11:41:26 +0300
 
    - by Teemu Piippo <teemu@hecknology.net> [Wed, 04 Apr 2018 11:41:26 +0300] rev 1380
 
    - added a status bar and moved printed messages there
 
    - Wed, 04 Apr 2018 11:24:37 +0300
 
    - by Teemu Piippo <teemu@hecknology.net> [Wed, 04 Apr 2018 11:24:37 +0300] rev 1379
 
    - removed dead code
 
    - Wed, 04 Apr 2018 11:22:47 +0300
 
    - by Teemu Piippo <teemu@hecknology.net> [Wed, 04 Apr 2018 11:22:47 +0300] rev 1378
 
    - refactor
 
    - Wed, 04 Apr 2018 11:19:49 +0300
 
    - by Teemu Piippo <teemu@hecknology.net> [Wed, 04 Apr 2018 11:19:49 +0300] rev 1377
 
    - fixed changing a document not updating its references in other files
 
    - Tue, 03 Apr 2018 18:55:57 +0300
 
    - by Teemu Piippo <teemu@hecknology.net> [Tue, 03 Apr 2018 18:55:57 +0300] rev 1376
 
    - added an ini option to disable line stipple
 
    - Tue, 03 Apr 2018 17:37:33 +0300
 
    - by Teemu Piippo <teemu@hecknology.net> [Tue, 03 Apr 2018 17:37:33 +0300] rev 1375
 
    - refactor
 
    - Tue, 03 Apr 2018 17:34:13 +0300
 
    - by Teemu Piippo <teemu@hecknology.net> [Tue, 03 Apr 2018 17:34:13 +0300] rev 1374
 
    - fixed "edit selected object" not editing non-vertex objects
 
    - Tue, 03 Apr 2018 17:32:02 +0300
 
    - by Teemu Piippo <teemu@hecknology.net> [Tue, 03 Apr 2018 17:32:02 +0300] rev 1373
 
    - readded object editing by double click in list view
 
    - Tue, 03 Apr 2018 17:23:02 +0300
 
    - by Teemu Piippo <teemu@hecknology.net> [Tue, 03 Apr 2018 17:23:02 +0300] rev 1372
 
    - fixed the scene bounding box not getting updated as it should
 
    - Mon, 02 Apr 2018 13:21:15 +0300
 
    - by Teemu Piippo <teemu@hecknology.net> [Mon, 02 Apr 2018 13:21:15 +0300] rev 1371
 
    - automatically center the model in the renderer
 
    - Mon, 02 Apr 2018 10:59:38 +0300
 
    - by Teemu Piippo <teemu@hecknology.net> [Mon, 02 Apr 2018 10:59:38 +0300] rev 1370
 
    - reworked bounding box
 
    - Mon, 02 Apr 2018 10:33:17 +0300
 
    - by Teemu Piippo <teemu@hecknology.net> [Mon, 02 Apr 2018 10:33:17 +0300] rev 1369
 
    - added cull depth support
 
    - Sun, 01 Apr 2018 15:32:30 +0300
 
    - by Teemu Piippo <teemu@hecknology.net> [Sun, 01 Apr 2018 15:32:30 +0300] rev 1368
 
    - added some missing connections
 
    - Sun, 01 Apr 2018 11:39:07 +0300
 
    - by Teemu Piippo <teemu@hecknology.net> [Sun, 01 Apr 2018 11:39:07 +0300] rev 1367
 
    - fixed some problems
 
    - Sat, 31 Mar 2018 18:41:24 +0300
 
    - by Teemu Piippo <teemu@hecknology.net> [Sat, 31 Mar 2018 18:41:24 +0300] rev 1366
 
    - start rework
 
    - Sat, 31 Mar 2018 21:23:22 +0300
 
    - by Teemu Piippo <teemu@hecknology.net> [Sat, 31 Mar 2018 21:23:22 +0300] rev 1365
 
    - show subfile descriptions in the object list
 
    - Fri, 30 Mar 2018 14:30:51 +0300
 
    - by Teemu Piippo <teemu@hecknology.net> [Fri, 30 Mar 2018 14:30:51 +0300] rev 1364
 
    - fix warnings
 
    - Thu, 29 Mar 2018 12:10:54 +0300
 
    - by Teemu Piippo <teemu@hecknology.net> [Thu, 29 Mar 2018 12:10:54 +0300] rev 1363
 
    - started work on the pattern editor
 
    - Thu, 29 Mar 2018 12:09:06 +0300
 
    - by Teemu Piippo <teemu@hecknology.net> [Thu, 29 Mar 2018 12:09:06 +0300] rev 1362
 
    - Branch close
 
    - Thu, 29 Mar 2018 12:09:06 +0300
 
    - by Teemu Piippo <teemu@hecknology.net> [Thu, 29 Mar 2018 12:09:06 +0300] rev 1361
 
    - Branch close
 
    - Thu, 29 Mar 2018 12:09:05 +0300
 
    - by Teemu Piippo <teemu@hecknology.net> [Thu, 29 Mar 2018 12:09:05 +0300] rev 1360
 
    - Branch close
 
    - Thu, 29 Mar 2018 12:09:05 +0300
 
    - by Teemu Piippo <teemu@hecknology.net> [Thu, 29 Mar 2018 12:09:05 +0300] rev 1359
 
    - Branch close
 
    - Thu, 29 Mar 2018 12:09:05 +0300
 
    - by Teemu Piippo <teemu@hecknology.net> [Thu, 29 Mar 2018 12:09:05 +0300] rev 1358
 
    - Branch close
 
    - Thu, 29 Mar 2018 12:09:04 +0300
 
    - by Teemu Piippo <teemu@hecknology.net> [Thu, 29 Mar 2018 12:09:04 +0300] rev 1357
 
    - Branch close header
 
    - Thu, 29 Mar 2018 12:09:04 +0300
 
    - by Teemu Piippo <teemu@hecknology.net> [Thu, 29 Mar 2018 12:09:04 +0300] rev 1356
 
    - Branch close integrity
 
    - Thu, 29 Mar 2018 12:09:04 +0300
 
    - by Teemu Piippo <teemu@hecknology.net> [Thu, 29 Mar 2018 12:09:04 +0300] rev 1355
 
    - Branch close inspector
 
    - Thu, 29 Mar 2018 12:09:03 +0300
 
    - by Teemu Piippo <teemu@hecknology.net> [Thu, 29 Mar 2018 12:09:03 +0300] rev 1354
 
    - Branch close bfc
 
    - Thu, 29 Mar 2018 10:42:45 +0300
 
    - by Teemu Piippo <teemu@hecknology.net> [Thu, 29 Mar 2018 10:42:45 +0300] rev 1353
 
    - refactor
 
    - Thu, 29 Mar 2018 10:31:01 +0300
 
    - by Teemu Piippo <teemu@hecknology.net> [Thu, 29 Mar 2018 10:31:01 +0300] rev 1352
 
    - refactor
 
    - Thu, 29 Mar 2018 10:18:18 +0300
 
    - by Teemu Piippo <teemu@hecknology.net> [Thu, 29 Mar 2018 10:18:18 +0300] rev 1351
 
    - use 3 significant figures in file size representation
 
    - Tue, 27 Mar 2018 14:13:58 +0300
 
    - by Teemu Piippo <teemu@hecknology.net> [Tue, 27 Mar 2018 14:13:58 +0300] rev 1350
 
    - better representation of fractions and large numbers
 
    - Tue, 27 Mar 2018 13:01:02 +0300
 
    - by Teemu Piippo <teemu@hecknology.net> [Tue, 27 Mar 2018 13:01:02 +0300] rev 1349
 
    - The border between the canvas and left tool box is now resizable
 
    - Tue, 27 Mar 2018 12:49:15 +0300
 
    - by Teemu Piippo <teemu@hecknology.net> [Tue, 27 Mar 2018 12:49:15 +0300] rev 1348
 
    - fixed minimum values
 
    - Mon, 26 Mar 2018 15:28:33 +0300
 
    - by Teemu Piippo <teemu@hecknology.net> [Mon, 26 Mar 2018 15:28:33 +0300] rev 1347
 
    - refactor cylinder generation
 
    - Sun, 25 Mar 2018 16:57:28 +0300
 
    - by Teemu Piippo <teemu@hecknology.net> [Sun, 25 Mar 2018 16:57:28 +0300] rev 1346
 
    - reworked primitive generator
 
    - Sun, 25 Mar 2018 16:28:03 +0300
 
    - by Teemu Piippo <teemu@hecknology.net> [Sun, 25 Mar 2018 16:28:03 +0300] rev 1345
 
    - added support for new style primitive names
 
    - Sat, 24 Mar 2018 23:46:25 +0200
 
    - by Teemu Piippo <teemu@hecknology.net> [Sat, 24 Mar 2018 23:46:25 +0200] rev 1344
 
    - fixed rendering artifacts
 
    - Sat, 24 Mar 2018 23:45:24 +0200
 
    - by Teemu Piippo <teemu@hecknology.net> [Sat, 24 Mar 2018 23:45:24 +0200] rev 1343
 
    - fixed wording
 
    - Sat, 24 Mar 2018 16:49:02 +0200
 
    - by Teemu Piippo <teemu@hecknology.net> [Sat, 24 Mar 2018 16:49:02 +0200] rev 1342
 
    - added comment
 
    - Sat, 24 Mar 2018 16:41:57 +0200
 
    - by Teemu Piippo <teemu@hecknology.net> [Sat, 24 Mar 2018 16:41:57 +0200] rev 1341
 
    - added categories for 8/ and 48/ torii