* Add check in network_cli to handle all prompts
* Add check_all flag to mandatory handle all the command prompt
in prompts list. By default if any one prompt is handled
remaining prompts are ignored.
* Fix cli_command multiple prompt issue
* If multiple prompt and answers are given as input network_cli
handles only the first prompt that matched by default
* If a command execution results in muliple prompt the fix
add support to set a boolean option C(check_all) to indicate
network_cli to wait till all the prompts and answers are processed.
* Update cli_command
* Update api doc
* Fix unit test failure
* Fix CI failure
* Update network_cli
* Fix review comment
