Lint

Handle more complex expressions and add missing ROS actions functiona… #147

Job	Run time
jani_generator ⏩ pylint	41s
as2fm_common ⏩ pylint	38s
scxml_converter ⏩ pylint	46s
jani_generator ⏩ pycodestyle	39s
as2fm_common ⏩ pycodestyle	41s
scxml_converter ⏩ pycodestyle	40s
jani_generator ⏩ flake8	36s
as2fm_common ⏩ flake8	41s
scxml_converter ⏩ flake8	43s
jani_generator ⏩ mypy	42s
as2fm_common ⏩ mypy	38s
scxml_converter ⏩ mypy	45s
jani_generator ⏩ isort	39s
as2fm_common ⏩ isort	42s
scxml_converter ⏩ isort	37s
	10m 8s

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