changelog
    
    
    - Mon, 30 Jun 2014 05:53:14 +0300
 
    - by Santeri Piippo <crimsondusk64@gmail.com> [Mon, 30 Jun 2014 05:53:14 +0300] rev 817
 
    - - optimized simplify()
 
    - Mon, 30 Jun 2014 05:52:10 +0300
 
    - by Santeri Piippo <crimsondusk64@gmail.com> [Mon, 30 Jun 2014 05:52:10 +0300] rev 816
 
    - - refactor
 
    - Sun, 29 Jun 2014 17:06:21 +0300
 
    - by Santeri Piippo <crimsondusk64@gmail.com> [Sun, 29 Jun 2014 17:06:21 +0300] rev 815
 
    - - added ability to filter out surfaces/edgelines/condlines from the viewport