changelog
    
    
    - Tue, 09 Jul 2013 03:04:31 +0300
 
    - by Santeri Piippo <crimsondusk64@gmail.com> [Tue, 09 Jul 2013 03:04:31 +0300] rev 368
 
    - Use system clipboard rather than an internal one
 
    - Tue, 09 Jul 2013 02:57:11 +0300
 
    - by Santeri Piippo <crimsondusk64@gmail.com> [Tue, 09 Jul 2013 02:57:11 +0300] rev 367
 
    - apply the c++11 'override' keyword to overriding virtual functions
 
    - Mon, 08 Jul 2013 02:46:55 +0300
 
    - by Santeri Piippo <crimsondusk64@gmail.com> [Mon, 08 Jul 2013 02:46:55 +0300] rev 366
 
    - fixed: history is supposed to be closed by default
 
    - Mon, 08 Jul 2013 02:43:43 +0300
 
    - by Santeri Piippo <crimsondusk64@gmail.com> [Mon, 08 Jul 2013 02:43:43 +0300] rev 365
 
    - further work on primitive cond-lines. I think I got it now.
 
    - Mon, 08 Jul 2013 01:36:12 +0300
 
    - by Santeri Piippo <crimsondusk64@gmail.com> [Mon, 08 Jul 2013 01:36:12 +0300] rev 364
 
    - Renamed the color class to LDColor for clarity
 
    - Mon, 08 Jul 2013 01:29:28 +0300
 
    - by Santeri Piippo <crimsondusk64@gmail.com> [Mon, 08 Jul 2013 01:29:28 +0300] rev 363
 
    - primitive generator: add conditional lines to cylinders; improved bad color handling
 
    - Sun, 07 Jul 2013 23:43:43 +0300
 
    - by Santeri Piippo <crimsondusk64@gmail.com> [Sun, 07 Jul 2013 23:43:43 +0300] rev 362
 
    - Added history functionality for swapping
 
    - Sun, 07 Jul 2013 23:22:28 +0300
 
    - by Santeri Piippo <crimsondusk64@gmail.com> [Sun, 07 Jul 2013 23:22:28 +0300] rev 361
 
    - fixed: double-clicking an object and editing it that way would not register to history