changelog
    
    
    - Fri, 03 Feb 2017 10:44:23 +0200
 
    - by Teemu Piippo <teemu@compsta2.com> [Fri, 03 Feb 2017 10:44:23 +0200] rev 1088
 
    - Reworked and cleaned up the circle mode
 
    - Mon, 30 Jan 2017 14:30:55 +0200
 
    - by Teemu Piippo <teemu@hecknology.net> [Mon, 30 Jan 2017 14:30:55 +0200] rev 1087
 
    - Some code cleanup in abstract editing modes.
 
    - Mon, 30 Jan 2017 02:41:45 +0200
 
    - by Teemu Piippo <teemu@hecknology.net> [Mon, 30 Jan 2017 02:41:45 +0200] rev 1086
 
    - Removed some unnecessary #include-directives.