changelog
    
    
    - Thu, 09 Feb 2017 13:26:44 +0200
 
    - by Teemu Piippo <teemu@hecknology.net> [Thu, 09 Feb 2017 13:26:44 +0200] rev 1108
 
    - Moved more editing-related methods to Canvas.
 
    - Thu, 09 Feb 2017 13:17:22 +0200
 
    - by Teemu Piippo <teemu@hecknology.net> [Thu, 09 Feb 2017 13:17:22 +0200] rev 1107
 
    - Removed the unneeded makeCurrent overload