Andrey Skvortsov <andrej.skvortzov@gmail.com> [Fri, 06 May 2016 14:45:06 +0300] rev 1512
add GPLv2 license
Andrey Skvortsov <andrej.skvortzov@gmail.com> [Fri, 06 May 2016 14:05:44 +0300] rev 1511
add copyright notices to python files where there were missing, that
is required by GPLv2
Andrey Skvortsov <andrej.skvortzov@gmail.com> [Fri, 06 May 2016 10:35:46 +0300] rev 1510
fix issue that was impossible to remove local instance of functional
block if pou is written in ST or IL