Corelight-client

* Add support for "list" type.

* Fix the config to accept correct no-password-save option.

* fix --help when used without any other arguments

* clarify that --help comes after a subcommand to learn more about it.

* Fix incorrect usage of is for string comparisions

Correct a few instances of

SyntaxWarning: "is" with a literal. Did you mean "=="?

* fix the cli parser optimization

when filtering components, check for the component in all of the non-flag
arguments from argv, not just the first one.

* optimize cli parser generation

optimize cli by only looking at metadata that matches the current command.

* reduce writes to the metadata cache file

skip writing the metadata cache if it was loaded from the cache in the
first place