PKG_getClientsByPackages

Description: Gets all clients that have the specific packages (not) installed (or with another given status).
Parameter:

• packageNames: Array with the packages to check.
• status: Debian status code or true for "installed".
• and: Set to true, if all packages must (not) match the status or, if false, at least one package must match the status.
• not: If set to true, only clients, that have no packes with the given status will be added to the output array.

Returns:

• Array with all clients that have the specific package (not) installed (or with another given status).