Thu, 05 Oct 2017 16:46:29 +0300fix typos
Andrey Skvortsov <andrej.skvortzov@gmail.com> [Thu, 05 Oct 2017 16:46:29 +0300] rev 1849
fix typos

Thu, 05 Oct 2017 16:41:31 +0300comment out unused code SFC_Step.RefreshBoundingBox()
Andrey Skvortsov <andrej.skvortzov@gmail.com> [Thu, 05 Oct 2017 16:41:31 +0300] rev 1848
comment out unused code SFC_Step.RefreshBoundingBox()

Thu, 05 Oct 2017 16:38:49 +0300explicitly mark unused variables found by pylint with _ or dummy
Andrey Skvortsov <andrej.skvortzov@gmail.com> [Thu, 05 Oct 2017 16:38:49 +0300] rev 1847
explicitly mark unused variables found by pylint with _ or dummy

pylint don't ignores unused variables with '_' in the name, even when
they are started with '_'. This bug is already fixed upstream, to fix
this in all versions of pylint custom dummy-variables-rgx is used
'_+$|(_[a-zA-Z0-9_]*[a-zA-Z0-9]+?$)|dummy'