* Allow custom chains to be present, other than the INPUT, FORWARD, OUTPUT default chains.
* Adding missing endif
* Require the packages to be installed first.
* Test should use rules as key, not rule.
* Making it a array list, instead of a dict.
* convert rules to a list instead of a dict.
* Only if policy is defined, include this statement.
* Only ensure chains if not container :)
* The chain is only ensured if we are not a container.
* Do not run at all for containers.