1.13.4

Full Changelog: 1.13.3...1.13.4

remove deprecation warning

remove deprecated terraform 0.11 syntax

1.13.2

fix packaging issues

update terraform 0.13

Make this module compatible with terraform 0.13.
Many thanks to @lewchuk-span

fix es-cleanup

Merge pull request #1 from anonfriese/patch-es-cleanup-py

Renamed es-cleanup.py to es_cleanup.py