For discussion see here:http://umforum.ultimaker.com/index.php?/topic/10352-my-plugin-progressbar-for-ultimakerupdate:20150403: v1.2.1 - added workaround for marlin bug. last sign on display was cutted off20150402: v1.2 - added percentage indication20150323: v1.1 - simplified it extremely, it's very fast now