* `routing/tables` module revision.
* `routing/tables/routes` module revision.
* `routing/rules` module revision.
Change `log.error`  to log all the error data instead of only the message.
Removed unneeded TODO.
Removed unfinished modules until the API gets polished and they are finished.
* system/ipsets
* services
Reprioritized TODO list.
Removed unneded modules and its usage.
Removed unneded modules and its usage.
* Strenghtened validations on `interfaces/addresses` module.
* Changed `error.name` to `error` in logging errors.
* Strenghtened validations on `interfaces/*` module.
* Strengthened validations on `system/settings` module.
* Strengthened validations on `system/tunables` module.
* `system/tunables`: Added support for saving/recovering the original tunable value.
* Strengthened validations on `routing/static/tables/routes` module.
* Strengthened validations on `routing/static/tables/routes` module.
* Changed routes unique identifier from `id` to `to`.
* Added several fields that were added in recent versions of iproute suite.