* Adding RPC attribute arguments to `junos_rpc` network module.
* Specifying module argument version.
* Fixing DOCUMENTATION block.
* First attempt at new test fixture.
* Updated RPC_CLI_MAP.
* Use `result` instead of `reply`.
* move set_module_args to units.modules.utils
* unit tests: reuse set_module_args
* unit tests: mock exit/fail_json in module.utils.ModuleTestCase
* unit tests: use module.utils.ModuleTestCase
* unit tests: fix 'import shadowed by loop variable'
