changelog
    
    
    - 2018-03-23
 
    - by Teemu Piippo <teemu@hecknology.net> [Fri, 23 Mar 2018 16:14:04 +0200] rev 1309
 
    - reworked primitive scanning
 
    - 2018-03-23
 
    - by Teemu Piippo <teemu@hecknology.net> [Fri, 23 Mar 2018 12:51:18 +0200] rev 1308
 
    - Begin rework to add support for multiple libraries
 
    - 2018-03-20
 
    - by Teemu Piippo <teemu@hecknology.net> [Tue, 20 Mar 2018 12:25:52 +0200] rev 1307
 
    - fixed warning
 
    - 2018-03-19
 
    - by Teemu Piippo <teemu@hecknology.net> [Mon, 19 Mar 2018 12:44:27 +0200] rev 1306
 
    - red/green view rework complete
 
    - 2018-03-19
 
    - by Teemu Piippo <teemu@hecknology.net> [Mon, 19 Mar 2018 12:24:59 +0200] rev 1305
 
    - Bfc red/green view almost completely fixed
 
    - 2018-03-19
 
    - by Teemu Piippo <teemu@hecknology.net> [Mon, 19 Mar 2018 11:04:18 +0200] rev 1304
 
    - added more comments
 
    - 2018-03-19
 
    - by Teemu Piippo <teemu@hecknology.net> [Mon, 19 Mar 2018 10:59:58 +0200] rev 1303
 
    - reworked invert()