Fixed systematically loading PLC binary at startup even without -a parameter. Extended py_ext extensions instances variable description (PLCGlobalsDesc). Now contains list of variables organizd by extension, with extension name

     1

<?xml version='1.0' encoding='utf-8'?>

     2

<BeremizRoot URI_location="LOCAL://">

     3

  <TargetType/>

     4

</BeremizRoot>