CClient::getClientPackages

Description: Returns an array or a space separated list of all packages installed on a client
Parameter:

• key: If it is not empty, only packages that contain the key are returned
• arr: Set to true, if the result should be an array otherwise it's a string
• status: If set, only returns packages of the given status (DEBPKGSTAT_installed, DEBPKGSTAT_removed, DEBPKGSTAT_purge).